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No. 24; Updated March 2011 Click here to download and print a PDF version of this document. Parents are usually the first to recognize that their child has a problem with emotions or behavior. Still, the decision to seek professional help can be difficult and painful for a parent. The first step is to gently try to talk to the child. An honest open talk about feelings can often help. Parents may choose to consult with the child's physicians, teachers, members of the clergy, or other adults who know the child well. These steps may resolve the problems for the child and family. Following are a few signs which may indicate that a child and adolescent psychiatric evaluation will be useful. - Marked fall in school performance - Poor grades in school despite trying very hard - Severe worry or anxiety, as shown by regular refusal to go to school, go to sleep or take part in activities that are normal for the child's age - Frequent physical complaints - Hyperactivity; fidgeting; constant movement beyond regular playing with or without difficulty paying attention - Persistent nightmares - Persistent disobedience or aggression (longer than 6 months) and provocative opposition to authority figures - Frequent, unexplainable temper tantrums - Threatens to harm or kill oneself - Marked decline in school performance - Inability to cope with problems and daily activities - Marked changes in sleeping and/or eating habits - Extreme difficulties in concentrating that get in the way at school or at home - Sexual acting out - Depression shown by sustained, prolonged negative mood and attitude, often accompanied by poor appetite, difficulty sleeping or thoughts of death - Severe mood swings - Strong worries or anxieties that get in the way of daily life, such as at school or socializing - Repeated use of alcohol and/or drugs - Intense fear of becoming obese with no relationship to actual body weight, excessive dieting, throwing up or using laxatives to loose weight - Persistent nightmares - Threats of self-harm or harm to others - Self-injury or self destructive behavior - Frequent outbursts of anger, aggression - Repeated threats to run away - Aggressive or non-aggressive consistent violation of rights of others; opposition to authority, truancy, thefts, or vandalism - Strange thoughts, beliefs, feelings, or unusual behaviors See other Facts for Families: #25 Where to Seek Help for Your Child #52 Comprehensive Psychiatric Evaluation #57 Normal Adolescent Development, Middle School, and Early High School Years #58 Normal Adolescent Development, Late High School Year and Beyond #00 Definition of a Child and Adolescent Psychiatrist The American Academy of Child and Adolescent Psychiatry (AACAP) represents over 8,500 child and adolescent psychiatrists who are physicians with at least five years of additional training beyond medical school in general (adult) and child and adolescent psychiatry. Facts for Families© information sheets are developed, owned and distributed by AACAP. Hard copies of Facts sheets may be reproduced for personal or educational use without written permission, but cannot be included in material presented for sale or profit. All Facts can be viewed and printed from the AACAP website (www.aacap.org). Facts sheets may not be reproduced, duplicated or posted on any other website without written consent from AACAP. Organizations are permitted to create links to AACAP's website and specific Facts sheets. For all questions please contact the AACAP Communications & Marketing Coordinator, ext. 154. If you need immediate assistance, please dial 911. Copyright © 2012 by the American Academy of Child and Adolescent Psychiatry.

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Previous abstract Next abstract Session 40 - The Interstellar Medium. Display session, Tuesday, June 09 Gamma Ray Burst (GRB) explosions can make kpc-size shells and holes in the interstellar media (ISM) of spiral galaxies if much of the energy heats the local gas to above 10^7 K. Disk blowout is probably the major cause for energy loss in this case, but the momentum acquired during the pressurized expansion phase can be large enough that the bubble still snowplows to a kpc diameter. This differs from the standard model for the origin of such shells by multiple supernovae, which may have problems with radiative cooling, evaporative losses, and disk blow-out. Evidence for giant shells with energies of \sim10^53 ergs are summarized. Some contain no obvious central star clusters and may be GRB remnants, although sufficiently old clusters would be hard to detect. The expected frequency of GRBs in normal galaxies can account for the number of such shells. Program listing for Tuesday

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Question: How is bipolar disorder different from unipolar depression or 'regular' depression? Answer: Both bipolar disorder and major depression are typically associated with depressive episodes. So both illnesses are accompanied by depressions. The difference is that in bipolar disorder people also have periods of elevation -- or severe irritability. We call these manic or hypomanic episodes.

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Making the Case for Action This fact sheet(pdf) and slide deck provide essential state-specific information that addresses the economic imperative, the equity imperative, and the expectations imperative of the college- and career-ready agenda. These resources can be used on their own or serve as the foundation for a personalized presentation or fact sheet(word), which can be customized with state-specific details and examples. The PowerPoint, in particular, was developed with various users in mind and offers a wide range of case-making data that can be drawn from to support your own advocacy efforts. Advancing the Agenda As states continue their efforts to promote college and career readiness, Achieve regularly surveys the states to identify their progress in adopting critical college- and career-ready policies. Below is a summary of Idaho's progress to date: See Closing the Expectations Gap for more information State accountability systems focus the efforts of teachers, students, parents, administrators and policymakers to ensure that students and schools meet the established goals, including the goal of ensuring all students graduate ready for college and careers. Idaho has yet to begin to use any of the key college- and career-ready indicators in their accountability system. |Annual School-level Public Reporting||Statewide Performance Goals||School-level Incentives||Accountability Formula| |Earning a college- and career-ready diploma| |Scoring college-ready on a high school assessment| |Earning college credit while in high school| |Requiring remedial courses in college| For an explanation of the indicators, their uses and Achieve’s minimum criteria for college- and career-ready accountability, see here.

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A land whose rich cultural heritage is discovered not only from within the walls of numerous museums, galleries and churches, many of which today, as zero category monuments are included in a part of the UNESCO World Heritage List, but also in that magical place on the Mediterranean, where even the shortest stroll becomes a journey down a staircase thousands of years old, which takes one through a history that is at the same time turbulent, exciting and glorious. With as many as seven cultural phenomena- The Festivity of Saint Blaise, lace-making in Lepoglava, Hvar and Pag, the bell ringers from the Kastav region, the Hvar Procession Za Križem, (‘following the Cross’), two-part singing in the Istrian scale, in Istria and Hrvatsko Primorje, the spring procession of ‘Ljelje’ and traditional manufacture of wooden toys in the Hrvatsko zagorje region, Croatia is among the countries with the most protected intangible cultural heritage elements, recorded on the UNESCO List. The famous scientist Nikola Tesla (1856-1943), inventor of alternating current. Was born in Smiljan, Croatia, died in New York, USA. Dog breed Dalmatian originates from these areas? In a small Franciscan monastery in Zaostrog, there is a painting from 1724 which for the first time depicts a Dalmatian dog… Slavoljub Eduard Penkala In 1906, a Croat Slavoljub Eduard Penkala for the first time applied for a patent for a ballpoint (penkala) and a holder for a fountain pen. From time immemorial, the tie has been a part of the Croatian national costume, which was preserved by the Croats to the more recent times, who moved to central Europe in the 16th century. It was later taken over by the Croatian soldiers who were fighting in Europe, and a part of their uniform was assumed by the French in the 17th century. Under the leadership of the French „God of Sun" Louis XIV there was a horsemen unit, the so-called Royal cravate, who wore mostly red collar ribbons. The custom of wearing ribbons from the Croats dates back to this time, which was later expanded around Europe and the world, and today is inevitably the most important detail in men's fashion, and also an original Croatian souvenir. The word «kravata» (tie) originates from the word «Kroate»... The world traveler and explorer Marco Polo was born in 1254, most probably on the island of Korčula. Even today, there are people living on the island with the same last name.. Island of Vrnik is situated in the archipelago of the Pelješac canal in front of the east coast of Korčula island, widely known for its stone-pit of quality lime-stone (marble) from which Aia Sofia (Istanbul) and the While House (Washington) were partly built as were some palaces-town halls in Dubrovnik, Stockholm, Venice, Vienna. Visit to the fertile plains of Baranja where the grapes have been cultivated for centuries, is not complete if you do not taste the "golden drops" of Baranja's vineyards. According to the old manuscripts, vine was a usual drink at the royal court of Maria Teresa, and the ancient Romans, delighted with its bouquet and with the sun rises and sunsets of that region, called it the "Golden hill"... There is a Ulysses' cave on the island of Mljet. It was named after a story which says that a famous adventurer stranded on the nearby cliff Ogiron, where he met the nymph Calypso with whom he fell in love, and spent unforgettable moments in her company... Red-white coat of arms Recognizable all over the world, and related only to Croats - characteristic cube-shaped red-white coat of arms which is believed to originate from the Persian original homeland of Croats (red signifies south and white signifies north). That is where the name for two Croatias derives from, i.e. White in north and Red in south. When the Croats have selected Ferdinand Habsburg to be their King in Cetine in 1527, they confirmed that choice with some seals, and one of them was Croatian coat of arms, but with 64 fields, i.e. the complete chess-board. That is where the popular term „šahovnica" derives from, and Šah (chess) in Persian means the Ruler - Tsar. Did you know that there is a world rarity in the Archeological museum in Zagreb? Of course, we are talking about the Zagreb mummy. Nesi-hensu, the wife of Aher-hensu, „the divine tailor" from Thebes, is the name of a mummified woman who was wrapped in cut ribbons of Zagreb linen book which represents the longest preserved text in Etruscan language and the only preserved sample of linen book in the entire Ancient world. Top seven world getaways The American magazine "In Style" has included Croatia on its list of seven top world destinations ("Top seven world getaways"). The article authors recommend a visit to Croatia for its very rich historical-cultural heritage, natural beauties and clean sea. In addition to Croatia, the list of top seven places includes Kenya, South Africa, London, Greek island Santorini and three American destinations - Aspen, Napa Valley and Nantucket. Every day, for over hundred and ten years, the cannon fires from the top of tower Lotrščak exactly at noon in memory of an event from Zagreb history. According to the legend, exactly at noon, the Grič canon fired a discharge from Lotrščak to the Turkish camp located across Sava and blew out a rooster (or a turkey) which the cook was taking to Pasha on a platter. After this event, the Turks scattered and did not attack Zagreb...

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adopt many methods to determine whether the unborn baby is a boy or a girl. The Chinese pregnancy calendar is an often used method to know about the gender of the new life in the mothers womb. is an ancient way for predicting the gender of the unborn baby It is also known as a Chinese conception chart, or the Chinese Conception Calendar. It is believed that this ancient method is highly accurate, although no clinical studies verify these chart is an ancient Chinese secret A Chinese scientist developed this calendar, 700 years ago. According to a legend, the Chinese is capable of predicting the baby gender based on two variables: the baby month of conception and the mothers age. chart was kept in a royal tomb, near the city of Peking in China in ancient times. Now this original Chinese chart is on display at the Beijing Institute of Science. Many people, especially the Chinese, believe that the original Chinese pregnancy calendar is almost 100% According to studies, the Chinese pregnancy calendar has been found to be 97% effective in predicting a baby gender. This accuracy is credited to the use of Chinese lunar calendar pregnancy calendar is dependent on the lunar calendar. It is based on the month a baby is conceived and not the birth month. The second factor is the mothers age at the time of conception, adding 9 months to her age to adjust the lunar calendar. conceived month from January to December is listed on the top row of the Chinese chart, and the left column of age during the conception. You need to follow the steps given below to get the most accurate result from the Chinese Pregnancy by the boy approaches more often , than pregnancy an girl. On statistical given beside young and sound parents more often birth boys, but beside of parents of more senior age on the contrary. 1. Note down your age at the time of conception. 2. Add 9 months to the age to adjust to the lunar calendar. 3. Also note down the month when the baby was conceived. 4. Now simply search for the conceived month across the top portion of the chart and the age on the left side of the chart. 5. Lastly, follow these two coordinates to the spot where they intersect, and that will show you either a box containing B boy, or G comparison to the Chinese pregnancy calendar, the ultrasound during the 7th or 8th month of is a more reliable method to know the gender of the child. In fact an ultrasound is use to monitor the week by week development right from conception till child birth. it is a boy or a girl, what does it matter? What matters is that you have fun guessing the gender of your unborn baby using the Chinese pregnancy All along use a journal to record your development week by week. More radio frequency to conceive aihe male sex is connected with that Spermatozoidum, carrying male Y-chromosome, several more movable, than carrying X-chromosome, and has more chances earlier to reach ovules. But healled Spermatozoidum with X-chromosome more viable and can more long to survive in wombs of pipe, and wait a period of One of the ways of planning of conceiving boy or girl is based on such abilities an Spermatozoidum. In the first place it is necessary exactly to define a date of ovulations. So, if beside you menstruations regular, the day of ovulations constant and possible produce an uncomplicated calculation. If you want conceive boy or girl, You must adjust last sexual contact before a data of ovulations. If You to planned conceive of boy or girl Study has shown that method efficient in 80% events aproximately. Used and other ways of planning conceive boy or girl, based on calculations "biological rhythms", astrological forecasts and etc. But from medical standpoints these methods not motivated. a sex of aihe during pregnancy. By means of the ultrasound during of pregnancy possible to define a sex of future child. This better and easier to realize at late terms of pregnancy, after 22-26 weeks. Then results will more

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Average life span in the wild: 12 years Size: 21 in (50 cm) Weight: 14.4 oz (408 g) Did you know? Chameleons don't change colors to match their surroundings. Each species displays distinct color patterns to indicate specific reactions or emotions. The Meller's chameleon is the largest of the chameleons not native to Madagascar. Their stout bodies can grow to be up to two feet (two-thirds of a meter) long and weigh more than a pound (one-half kilogram). Meller's distinguish themselves from their universally bizarre-looking cousins with a single small horn protruding from the front of their snouts. This and their size earn them the common name "giant one-horned chameleon." They are fairly common in the savanna of East Africa, including Malawi, northern Mozambique, and Tanzania. Almost one-half of the world’s chameleons live on the island of Madagascar. As with all chameleons, Meller's will change colors in response to stress and to communicate with other chameleons. Their normal appearance is deep green with yellow stripes and random black spots. Females are slightly smaller, but are otherwise indistinguishable from males. They subsist on insects and small birds, using their camouflage and a lightning-fast, catapulting tongue, which can be up to 20 inches (50 centimeters) long, to ambush prey. Exotic pet enthusiasts often attempt to keep Meller's chameleons as pets. However, they are highly susceptible to even the slightest level of stress and are very difficult to care for in captivity. In the wild, they can live as long as 12 years.

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Nuclear Energy in France Nuclear energy is the cornerstone of french energy policy. In the ‘70s France chose to develop nuclear as its base load electricity source as a response to the oil crisis and assure its energy independence. Nuclear Electricity Production: France currently counts 58 commercial nuclear reactors in operation responsible for producing 80% of French domestic electricity. As a comparison, the 104 US reactors produces 20% of US electricity.Despite scarce natural resources, France has reached an energy independence of 50% thanks to its strategic choice for nuclear energy. Environment: As well as providing safe and reliable energy, nuclear helps to reduce French greenhouse gas emissions by avoiding the release of 31 billions tones of carbon dioxide (contrary to coal or gas generation) and making France the less carbon emitting country within the OECD. As a leader in nuclear energy, France has developed clean technology for radioactive waste disposal. Reprocessing currently allows France to recover valuable elements from spent fuels and permit a significant reduction of high level waste and lead to safer and optimized containment, for final radioactive waste disposition. French nuclear power plants produces only 10 g/year/inhabitant of highly radioactive waste. International Cooperation and research: France is one of the forerunner in nuclear research and participates in numerous international cooperation programs alongside the United States such as the development of the next generation of nuclear power plants (Gen IV) and the International Thermonuclear Experimental Reactor (ITER) that will be built in Cadarache, South of France. The French Atomic Energy Commission (CEA) The French Atomic Energy Commission is a public body established in October 1945 by General de Gaulle. It constitutes a power of expertise and proposition for the authorities. A leader in research, development and innovation, the CEA is involved in three main fields: It develops and acquires the technological building blocks necessary to the development of the nuclear reactors of the future (Contribution to Generation IV and GNEP research), It contributes to reducing greenhouse gas emission with its research on hydrogen, fuel cells, biomass, energy storage…, It supports the nuclear utilities in France by optimizing the nuclear power plants of the French nuclear fleet and by optimizing the fuel cycle, It offers safe and economically viable technical solutions for managing nuclear waste, It conducts fundamental research in climate and environmental sciences, high energy physics, astrophysics, fusion, nanosciences… Information and Health technologies: It tackles micro and nano-technologies for telecommunication and nuclear medicine for radiotherapy and medical imaging, It researches programs on biotechnology, molecular labelling, biomolecular engineering and structural biology, It shares its knowledge and know-how through education and training through the National Institute for Nuclear Sciences and Technologies (INSTN), It manages over 300 priority patents and is active in the creation of clusters. Defense and National Security: It conceives, builds, maintains then dismantles the nuclear warhead of the French deterrence force, It helps to fight against nuclear, biological and chemical weapons (NRBC program). The missions of the CEA are similar to the Department of Energy in the United States. The CEA has a network of counselor or representatives in French Embassies around the world (see joint map). The French Nuclear Safety Authority (ASN) Created in 2006, from the former DSIN (Directorate for the Safety of Nuclear Facilities), the French Nuclear Safety Authority is an independent administrative authority which is tasked with regulating nuclear safety and radiation protection in order to protect workers, patients, the public and the environment from the risks involved in nuclear activities. It also contributes to informing the public. Like the Nuclear Regulatory Commission in the United States, it carries out inspections and may pronounce sanctions, up to and including suspension of operation of an installation. French Institute for Radioprotection and Nuclear Safety (IRSN) Created in 2001 by merging the Protection and Nuclear Safety Institute (IPSN) and the Ionizing radiations Protection Office (OPRI), the Institute for Radioprotection and Nuclear Safety is a public establishment of an industrial and commercial nature placed under the joint authority of the Ministries of the Environment, Health, Industry, Research and Defense. It is the expert in safety research and specialized assessments into nuclear and radiological risk serving public authorities whose work is complementary to the ASN. Its scope of activities includes: environment and response, human radiological protection, research on the prevention of major accidents, power reactor safety, fuel cycle facility safety, research installation safety, waste management safety; nuclear defense expertise. National radioactive Waste Management Agency (ANDRA) Created in 1991, the French National Agency for Radioactive Waste Management is a public industrial and commercial organization that operates independently of waste producers. It is responsible for the long-term management of radioactive waste produced in France under the supervision of the French Ministries for Energy, Research and the Environment. It can be compared to a certain extent to the Office for Nuclear Waste of the Department of Energy in the United States. Andra also pursues industrial, research, and information activities as it designs and implements disposal solutions suited to each category of radioactive waste: the collection, conditioning, disposal of radioactive waste from small producers (hospitals, research centers, industry), specification of waste packages for disposal, disposal in suited sites, monitoring of closed disposal facilities, research programs for long-lived and high level activity waste, especially through the operation of an underground research laboratory in a deep clay formation… General Directorate for Energy and Climate (DGEC) The General Directorate for Energy and Climate represents the government and is part of the Office of the Department for Ecology and Sustainable Development. It defines the French nuclear policy. The DGEC takes care of the energy supply, the security of supply, oil refining and logistics, nuclear industry, and coal and mines. Consequently, its activities include: the design and implement energy and raw material supply policy, to ensure opening of electricity and gas markets, track key energy and raw material sectors, to oversee enterprises and public institutions in energy sector, to ensure compliance with rules and regulations governing energy sector, to participate in European and international energy projects and working groups, to provide economic, environmental, and fiscal expertise on energy matters. The Rise of Nuclear Power Generation in France.

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Mexican America - Introduction "Mexican America" is a sampling of objects from the collections of the National Museum of American History. The stories behind these objects reflect the history of the Mexican presence in the United States. They illustrate a fundamentally American story about the centuries-old encounter between distinct (yet sometimes overlapping) communities that have coexisted but also clashed over land, culture, and livelihood. Who, where, and what is Mexico? Over time, the definitions and boundaries of Mexico have changed. The Aztec Empire and the area where Náhautl was spoken—today the region surrounding modern Mexico City—was known as Mexico. For 300 years, the Spanish colonizers renamed it New Spain. When Mexico was reborn in 1821 as a sovereign nation, its borders stretched from California to Guatemala. It was a huge and ancient land of ethnically, linguistically, and economically diverse regions that struggled for national unity. Texas, (then part of the Mexican state of Coahuila y Tejas) was a frontier region far from the dense cities and fertile valleys of central Mexico, a place where immigrants were recruited from the United States. The immigrants in turn declared the Mexican territory an independent republic in 1836 (later a U.S. state), making the state the first cauldron of Mexican American culture. By 1853, the government of Mexico, the weaker neighbor of an expansionist United States, had lost what are today the states of California, Nevada, Utah, Arizona, New Mexico, Texas, and parts of Colorado and Wyoming. In spite of the imposition of a new border, the historical and living presence of Spaniards, Mexicans, indigenous peoples, and their mixed descendants remained a defining force in the creation of the American West. “La América Mexicana” es una muestra conformada por objetos provenientes de las distintas colecciones del Museo Nacional de Historia Americana. Estos objetos reflejan la historia de la presencia mexicana en los Estados Unidos e ilustran una crónica fundamentalmente americana acerca del encuentro centenario entre comunidades diferentes que han coexistido, pero que también se han enfrentado, en la pugna por la tierra, la cultura y el sustento. ¿Quién, dónde y qué es México? Con el transcurso del tiempo, las definiciones y los límites de México han ido cambiando. Se conocía como México al Imperio Azteca y toda el área donde se hablaba náhuatl —actualmente la región circundante a la ciudad de México. Durante 300 años los colonizadores españoles se refirieron a ella como Nueva España. Cuando en 1821 México resurgió como una nación soberana, sus fronteras se extendían desde California a Guatemala. En ese entonces era un antiguo e inmenso territorio conformado por regiones étnica, lingüística y económicamente diversas que luchaban por adquirir unidad nacional. Texas (en ese entonces parte de los estados mexicanos de Coahuila y Tejas) era una región fronteriza lejos de las densas urbes y de los fértiles valles de México central, donde se reclutaban inmigrantes de los Estados Unidos. En el año 1836 este territorio mexicano se declaró como república independiente (y más tarde, estado de EE.UU.), convirtiéndose en el primer calderón de la cultura mexicoamericana. Hacia 1853, el gobierno de México, el vecino débil de un Estados Unidos en expansión, había perdido el territorio de los actuales estados de California, Nevada, Utah, Arizona, Nuevo México, Texas y partes de Colorado y Wyoming. A pesar de la imposición de un nuevo límite fronterizo, la presencia histórica y ocupacional de los españoles, mexicanos y pueblos indígenas, junto a sus descendientes mestizos, constituiría a lo largo del tiempo una influencia determinante para el desarrollo del Oeste Americano. "Mexican America - Introduction" showing 1 items. - This print depicts American forces attacking the fortress palace of Chapultepec on Sept. 13th, 1847. General Winfield Scott, in the lower left on a white horse, led the southern division of the U.S. Army that successfully captured Mexico City during the Mexican American War. The outcome of American victory was the loss of Mexico's northern territories, from California to New Mexico, by the terms set in the Treaty of Guadalupe Hidalgo. It should be noted that the two countries ratified different versions of the same peace treaty, with the United States ultimately eliminating provisions for honoring the land titles of its newly absorbed Mexican citizens. Despite notable opposition to the war from Americans like Abraham Lincoln, John Quincy Adams, and Henry David Thoreau, the Mexican-American War proved hugely popular. The United States' victory boosted American patriotism and the country's belief in Manifest Destiny. - This large chromolithograph was first distributed in 1848 by Nathaniel Currier of Currier and Ives, who served as the "sole agent." The lithographers, Sarony & Major of New York (1846-1857) copied it from a painting by "Walker." Unfortunately, the current location of original painting is unknown, however, when the print was made the original painting was owned by a Captain B. S. Roberts of the Mounted Rifles. The original artist has previously been attributed to William Aiken Walker as well as to Henry A. Walke. William Aiken Walker (ca 1838-1921) of Charleston did indeed do work for Currier and Ives, though not until the 1880's and he would have only have been only 10 years old when this print was copyrighted. Henry Walke (1808/9-1896) was a naval combat artist during the Mexican American War who also worked with Sarony & Major and is best known for his Naval Portfolio. - Most likely the original painting was done by James Walker (1819-1889) who created the "Battle of Chapultepec" 1857-1862 for the U.S. Capitol. This image differs from the painting commissioned for the U. S. Capitol by depicting the troops in regimented battle lines with General Scott in a more prominent position in the foreground. James Walker was living in Mexico City at the outbreak of the Mexican War and joined the American forces as an interpreter. He was attached to General Worth's staff and was present at the battles of Contreras, Churubusco, and Chapultepec. The original painting's owner, Captain Roberts was assigned General Winfield Scott to assist Walker with recreating the details of the battle of Chapultepec. When the painting was complete, Roberts purchased the painting. By 1848, James Walker had returned to New York and had a studio in New York City in the same neighborhood as the print's distributor Nathaniel Currier as well as the lithographer's Napoleon Sarony and Henry B. Major. - This popular lithograph was one of several published to visually document the war while engaging the imagination of the public. Created prior to photography, these prints were meant to inform the public, while generally eliminating the portrayal of the more gory details. Historians have been able to use at least some prints of the Mexican War for study and to corroborate with the traditional literary forms of documentation. As an eyewitness, Walker could claim accuracy of detail within the narrative in his painting. The battle is presented in the grand, historic, heroic style with the brutality of war not portrayed. The print depiction is quite large for a chromo of the period. In creating the chromolithographic interpretation of the painting, Sarony & Major used at least four large stones to produce the print "in colours," making the most of their use of color. They also defined each figure with precision by outlining each in black. This print was considered by expert/collector Harry T. Peters as one of the finest ever produced by Sarony & Major. - Currently not on view - Date made - associated date - Currier, Nathaniel - Scott, Winfield - Sarony & Major - Walker, James - ID Number - catalog number - accession number - Data Source - National Museum of American History, Kenneth E. Behring Center

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- Action research (6 posts) - Artist CPD (11 posts) - Barriers to participation (2 posts) - Change management (8 posts) - Co-construction (3 posts) - Community cohesion (12 posts) - Creative curriculum development (13 posts) - Creative teaching and learning (28 posts) - Cross-curricular working (21 posts) - Developing school ethos (6 posts) - Disability awareness (4 posts) - Diversity (3 posts) - Exchanges and trips (4 posts) - Experiential learning (6 posts) - Extracurricular work (3 posts) - Learning outcomes for artists (23 posts) - Learning outcomes for teachers (27 posts) - Learning outcomes for young people (37 posts) - Learning styles (13 posts) - Mentoring (2 posts) - Outdoor learning environment (1 post) - Parent engagement (4 posts) - Participation and engagement (29 posts) - Partnerships (37 posts) - Role of the practitioner (32 posts) - School networks (2 posts) - Teacher CPD (17 posts) - Whole school working (13 posts) - Young people in decision making role (9 posts) - Youth leadership (5 posts) - Youth voice (16 posts) Select from the categories above, and scroll over the thumbnails to view information about each resource. You can download many of the resources as PDFs, view film or listen to audio. A New Direction Schools Forum: Effective Partnership WorkingThis resource summarises key ideas from schools and arts & cultural organisations from a series of discussions around six different… A Personal Journey through Preferred Learning StylesAn essay written by a creative practitioner who undertook action research into students' preferred learning styles and creativity. Artists and Teachers PartnershipsAn essay exploring partnerships between creative practitioners and teachers from an Early Years setting and a Secondary school. Arts Beyond the ClassroomA film documenting the experiences of the pupils and parents in the Arts Beyond the Classroom project. Beneath the HoodA pack including a poignant film portrait of students at a PRU, poetry cards and a resource guide for similar… Building PartnershipsAn essay describing three effective partnership projects delivered in two primary schools and one FE College. Co-construction of LearningA case study exploring examples of creative projects which supported young people to guide school change through 'co-construction'. Connecting Countries: London to VancouverA film of a group of Secondary School students who journey to Vancouver for the 2010 Winter Paralympic Games. Creative Interventions in the English FacultyAn essay providing an arts organisation's perspective of creative teaching strategies within an East London school's English curriculum. Creative Teaching and LearningA case study discussing the ways creative programmes have supported the development of creative teaching and learning. Creativity and ChangeAn essay exploring structural and institutional change through creative programmes in three primaries and one special school. Cross-Curricular Creative ProjectsAn essay describing cross-curricular approaches in 3 primary schools and 1 secondary school in East London. Developing a Learning Strategy for ArtsadminA paper detailing the development of an arts organisation's education programme in partnership with artists and local schools. Engaging Parents Creatively in the Foundation StageA paper presenting two examples that aimed to increase parental engagement and community involvement in the pupils' work. Forensic Science Murder MysteryA film documenting a cross-curricular drama project with secondary school students inspired by a TV crime series. Grove Park Special School Takes Over the Borough of BrentA film made by students with a range of physical and learning disabilities who investigate their local area. ImagiNationA film charting an 18 month whole school cross-curricular project culminating in a community carnival. Imagine NationA short film of a poem and set of accompanying activities for literacy lessons exploring creativity and imagination. Institutional ChangeA paper exploring two different approaches to whole school change in a Special School and a Secondary School. IPC Media Schools Design ProgrammeAn essay describing the IPC Media Schools Design Programme, a graphic design work-related learning programme initiated in 2005. Learning about Learning: Preferred Learning Styles and CreativityA publication exploring education approaches to preferred learning styles. Essays and a toolkit of lesson activities are included. London to Beijing - a Dance TravelogueA film about dance students from a Further Education college who visit a dance school in Beijing, China. Making Things Happen - HereA project case study and two films. A group of Primary Schools imagine something extraordinary for their community. Olympics Literacy ResourceA set of classroom resources for all year groups for creating poetry around the theme of the Olympics.

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White-throated Magpie-Jays (Calocitta formosa) are beautiful big jays that travel the North Pacific slopes in small flocks. Their songs and calls are quite varied - this is one of the typical calls, recorded on the road to Monteverde (Costa Rica). Douglas Von Gausig (recordist; copyright holder), Naturesongs.com This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported License. To cite this page: Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2013. The Animal Diversity Web (online). Accessed at http://animaldiversity.org. Disclaimer: The Animal Diversity Web is an educational resource written largely by and for college students. ADW doesn't cover all species in the world, nor does it include all the latest scientific information about organisms we describe. Though we edit our accounts for accuracy, we cannot guarantee all information in those accounts. While ADW staff and contributors provide references to books and websites that we believe are reputable, we cannot necessarily endorse the contents of references beyond our control.

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Octodon degus is generally considered endemic to west central Chile, where it inhabits the lower slopes of the Andes. Although some have argued that its range may extend north into Peru, this is not well supported. It is common in the international pet trade, however, and is often used in laboratory studies outside of its native range. (Contreras, et al., 1987; Woods and Boraker, 1975) Octodon degus inhabits a mediterranean-type semi-arid shrubland ecosystem called "matorral", which is found on the western slopes of the Andes between 28 and 35 degrees south latitude. Further north the climate becomes too arid to support this plant community, and further south it is too wet. Degus appear to be limited to elevations below 1200 meters, both by the distribution of their habitat and by their intolerance of low oxygen partial pressure. Degus are well able to inhabit lands influenced by cattle grazing, and are agricultural pests in some areas. (Contreras, et al., 1987; Fulk, 1976) Octodon degus superficially resembles a gerbil, but is much larger. Degus typically weigh between 170 and 300 g, and measure between 325 and 440 mm in length, including the tail. The fur is yellow-brown on the back and head, and the underparts and feet are cream colored. There is a pale band around the eye and, in some individuals, the neck. The tail is moderately long and conspicuously tufted. The ears are large and darkly pigmented. The fifth digit is reduced, and on the forefeet it has a nail instead of a claw. The cheekteeth are hypsodont and their biting surfaces resemble a figure of eight. Sexes are difficult to distinguish, but males tend to be about 10% larger than females. Pups are born furred and able to see, and begin exploring within hours of birth. Octodon degus can be distinguished from the two other members of the genus Octodon by slight differences in dental morphology. It is also smaller than its relatives and its tail is said to be more noticeably tufted. (Fulk, 1976; Lee, 2004) During the annual breeding season, male-male aggression temporarily increases. Males exclude other males from their burrow and monopolize the females (usually 2 to 4) who live there. Dustbathing and urine marking may be used in the defense of territory by both sexes, but these behaviors particularly increase in the male during the breeding season. Courting males often engage in mutual grooming with females, and frequently perform a courtship ritual which involves wagging of the tail and trembling of the body. The male then raises a hind leg and sprays urine onto the female. This may serve to familiarize her with his scent and perhaps make her more receptive to his advances in the future. Receptive females may sometimes enurinate males in a similar fashion. Related female degus may nurse each other's young. (Ebensperger and Caiozzi, 2002; Fulk, 1976; Kleiman, 1974; Soto-Gamboa, 2005) In the wild degus tend to breed once per year. The breeding season usually begins in late May (autumn in Chile), and the young are conceived in late winter to early spring (September to October). In wet years, degus may produce second litters. It has been suggested that degus may be induced ovulators, but this has not been established for certain. There is also some evidence that male reproductive organs may be sensitive to changes in photoperiod. The gestation period is 90 days, and litter size is typically 4-6 pups. The young are precocial. They are born with fur and teeth; their eyes are open and they are able to move about the nest on their own. Pups are weaned at 4 to 5 weeks, and become sexually mature between 12 and 16 weeks of age. Degus do not reach adult size until about 6 months of age, however, and they generally live in same-sex social groups until they are about 9 months old and their first breeding season occurs. It has been reported that pups raised in isolation in the laboratory experience severe neural and behavioral abnormalities. (Ebensperger and Hurtado, 2005; Lee, 2004; Woods and Boraker, 1975) Before conception can occur, the male degu must invest considerable energy in the defense of his territory and harem from other males. The female subsequently expends considerable energy in gestation and lactation. The pregnancy is relatively long for a rodent, and the young are born well developed. After birth, both parents protect and provision the pups. Degus nest communally, and groups of related females nurse one another's young. In the laboratory, the female remains close to the pups until two weeks after birth, and males have been observed to huddle with the young during this period without instances of infanticide. In the wild, male degus may spend as much time feeding and huddling with the young as females do. Pups begin to eat solid food at about two weeks of age, and venture out of the burrow at three weeks. Upon weaning at four to six weeks, the pups are able to live independently of the parents and form same-sex social groups until their first breeding season. (Ebensperger and Hurtado, 2005; Fulk, 1976; Lee, 2004; Woods and Boraker, 1975) In laboratory conditions, degus typically live five to eight years. Degus are social and tend to live in groups of one to two males and two to five related females. Females participate in rearing on another's young. Groups maintain territories throughout much of the year. Degus are semi-fossorial, digging extensive communal burrow systems. These burrows are often shared by Bennett's chinchilla rat (Abrocoma bennettii). Degus feed exclusively above ground, however, and have been observed climbing into the low branches of shrubs while foraging. Dustbathing is an important social behavior among degus. Groups repeatedly mark favorite wallows with urine and anal gland secretions. This may help the group identify each other by scent as well as delineating territorial boundaries. Degus are mainly diurnal, and are most active during the morning and evening. (Ebensperger, et al., 2004; Fulk, 1976; Woods and Boraker, 1975) Fulk (1976) estimated that social groups of degus occupy home areas of roughly 200 square meters, and that their density is about 75 degus per hectare. This may be an underestimate, however, due to the trapping methods used. (Fulk, 1976) Degus have well-developed sight, smell, and hearing. They are highly vocal and use various calls to communicate with one another, including alarm calls, mating calls, and communication between parents and young. Vision is very important in avoidance of predators and in foraging. It has been shown that degus are able to see ultraviolet wavelengths, and that their urine reflects in the UV range when fresh. It has therefore been suggested that degus' urine scent marks are also visual cues. These scent marks are also used as dust wallows, allowing members of a social group to identify each other by scent. (Chavez, et al., 2003; Fulk, 1976; Woods and Boraker, 1975) Degus are generalist herbivores. They feed on the leaves, bark, and seeds of shrubs and forbs. Among their favorite foods are the bark of Cestrum palqui and Mimosa cavenia, leaves and bark of Proustia cuneifolia, Atriplex repunda, and Acacia caven, annuals such as Erodium cicutarum when in season, green grasses, and thistle seeds. Degus choose food items that reduce fiber and increase nitrogen and moisture in the diet, and thus prefer young leaves and avoid woodier shrubs. Degus rely on microbial fermentation in their enlarged cecum (they are "hindgut fermenters") to digest their food. They reingest a large percentage of their feces, usually during the night. This allows them to maximize their digestion. Degus store food in the winter, and it has been reported that they occasionally eat meat in old age. (Gutierrez and Bozinovic, 1998; Kenagy, et al., 1999; Veloso and Kenagy, 2005; Woods and Boraker, 1975) Octodon degus is subject to predation by larger mammals such as culpeo foxes (Lycalopex culpaeus), and from the air by raptors such as barn owls (Tyto alba), short-eared owls (Asio flammeus), and black-chested buzzard eagles (Geranoaetus melanoleucus). Degus use vigilance and cover to avoid predators. Their pelage is also counter-shaded and matches the soil color, which reduces visibility to predators. Degus live socially and use alarm calls to warn others of danger. When a predator is spotted, they take cover in shrubby areas and may retreat to the communal burrow. (Ebensperger and Wallem, 2002; Woods and Boraker, 1975) Octodon degus affects the plant community in its habitat by selective browsing. Degus behaviorally reduce the fiber content of their diet, preferrentially eating shrubs such as Adesmia bedwellii, Baccharis paniculata, and Chenopodium petioare, which are less fibrous and less thorny than others. These species have been shown to increase their foliage area upon exclusion of degus. As degus are very common, they are themselves an important food source for their predators. (Gutierrez and Bozinovic, 1998) Degus often live in association with Bennett's chinchilla rats (Abrocoma bennettii). The two species are known to share burrow systems and have even been observed in the same chamber within a burrow. This is believed to be a mutualistic relationship, but it is not well understood. (Fulk, 1976; Woods and Boraker, 1975) Degus are frequently kept as pets, and are used extensively in laboratory research. Because they are largely diurnal, they are useful in research on circadian rhythms, and their intolerance of sugars makes them ideal models for diabetes research. (Lee, 2004) Degus are significant agricultural pests in some areas. They take advantage of cultivated prickly pear cactus, wheat, vineyards, and orchards as abundant food sources, and can do considerable damage. They are also known to host three species of parasites that can infect humans. (Fulk, 1976) Tanya Dewey (editor), Animal Diversity Web. Mary Hejna (author), University of Michigan-Ann Arbor, Phil Myers (editor, instructor), Museum of Zoology, University of Michigan-Ann Arbor. living in the southern part of the New World. In other words, Central and South America. uses sound to communicate living in landscapes dominated by human agriculture. having body symmetry such that the animal can be divided in one plane into two mirror-image halves. Animals with bilateral symmetry have dorsal and ventral sides, as well as anterior and posterior ends. Synapomorphy of the Bilateria. Found in coastal areas between 30 and 40 degrees latitude, in areas with a Mediterranean climate. Vegetation is dominated by stands of dense, spiny shrubs with tough (hard or waxy) evergreen leaves. May be maintained by periodic fire. In South America it includes the scrub ecotone between forest and paramo. uses smells or other chemicals to communicate helpers provide assistance in raising young that are not their own an animal that mainly eats the dung of other animals active at dawn and dusk having markings, coloration, shapes, or other features that cause an animal to be camouflaged in its natural environment; being difficult to see or otherwise detect. animals that use metabolically generated heat to regulate body temperature independently of ambient temperature. Endothermy is a synapomorphy of the Mammalia, although it may have arisen in a (now extinct) synapsid ancestor; the fossil record does not distinguish these possibilities. Convergent in birds. an animal that mainly eats leaves. Referring to a burrowing life-style or behavior, specialized for digging or burrowing. an animal that mainly eats seeds An animal that eats mainly plants or parts of plants. offspring are produced in more than one group (litters, clutches, etc.) and across multiple seasons (or other periods hospitable to reproduction). Iteroparous animals must, by definition, survive over multiple seasons (or periodic condition changes). having the capacity to move from one place to another. the area in which the animal is naturally found, the region in which it is endemic. the business of buying and selling animals for people to keep in their homes as pets. having more than one female as a mate at one time specialized for leaping or bounding locomotion; jumps or hops. communicates by producing scents from special gland(s) and placing them on a surface whether others can smell or taste them breeding is confined to a particular season remains in the same area reproduction that includes combining the genetic contribution of two individuals, a male and a female associates with others of its species; forms social groups. places a food item in a special place to be eaten later. Also called "hoarding" uses touch to communicate that region of the Earth between 23.5 degrees North and 60 degrees North (between the Tropic of Cancer and the Arctic Circle) and between 23.5 degrees South and 60 degrees South (between the Tropic of Capricorn and the Antarctic Circle). Living on the ground. defends an area within the home range, occupied by a single animals or group of animals of the same species and held through overt defense, display, or advertisement uses sight to communicate reproduction in which fertilization and development take place within the female body and the developing embryo derives nourishment from the female. young are relatively well-developed when born Chavez, A., F. Bozinovic, L. Peichl, A. Palacios. 2003. Retinal spectral sensitivity, fur coloration, and urine reflectance in the genus Octodon (Rodentia): implications for visual ecology. Investigative Opthalmology & Visual Science, 44/5: 2290-2296. Contreras, L., J. Torres-Mura, J. Yanez. 1987. Biogeography of Octodontid rodents: An eco-evolutionary hypothesis. Fieldiana: Zoology, New Series, 39: 401-411. Ebensperger, L., F. Bozinovic. 2000. Energetics and burrowing behaviour in the semifossorial degu Octadon degus (Rodentia: Octodontidae). Journal of Zoology, 252: 179-186. Ebensperger, L., A. Caiozzi. 2002. Male degus, Octodon degus, modify their dustbathing behavior in response to social familiarity of previous dustbathing marks. Revista Chilena de Historia Natural, 75: 157-163. Ebensperger, L., M. Hurtado. 2005. On the relationship between herbaceous cover and vigilance activity of degus (Octodon degus). Ethology, 111/6: 593-608. Ebensperger, L., M. Hurtado. 2005. Seasonal changes in the time budget of degus, Octadon degus.. Behaviour, 142: 91-112. Ebensperger, L., M. Hurtado, M. Soto-Gamboa, E. Lacey, A. Chang. 2004. Communal nesting and kinship in degus (Octodon degus). Naturwissenschaften, 91: 391-395. Ebensperger, L., P. Wallem. 2002. Grouping increases the ability of the social rodent, Octodon degus, to detect predators when using exposed microhabitats. Oikos, 98: 491-497. Fulk, G. 1976. Notes on the activity, reproduction, and social behavior of Octodon degus. Journal of Mammalogy, 57/3: 495-505. Gutierrez, J., F. Bozinovic. 1998. Diet selection in captivity by a generalist herbivorous rodent (Octodon degus) from the Chilean coastal desert. Journal of Arid Environments, 39: 601-607. Kenagy, G., R. Nespolo, R. Vasquez, F. Bozinovic. 2002. Daily and seasonal limits of time and temperature to activity of degus. Revista Chilena de Historia Natural, 75: 567-581. Kenagy, G., C. Veloso, F. Bozinovic. 1999. Daily rhythms of food intake and feces reingestion in the degu, an herbivorous Chilean rodent: optimizing digestion through coprophagy. Physiological and Biochemical Zoology, 72/1: 78-86. Kleiman, D. 1974. Patterns of behaviour in hystricomorph rodents. Symposium of the Zoological Society (London), 34: 171-209. Lee, T. 2004. Octodon degus: A diurnal, social, and long-lived rodent. ILAR Journal, 45/1: 14-24. Soto-Gamboa, M., M. Villalon, F. Bozinovic. 2005. Social cues and hormone levels in male Octadon degus (Rodentia): a field test of the Challange Hypothesis. Hormones and Behavior, 47/3: 311-318. Soto-Gamboa, M. 2005. Free and total testosterone levels in field males of Octodon degus (Rodentia, Octodontidae): accuracy of the hormonal regulation of behavior. Revista Chilena de Historia Natural, 78/2: 229-238. Tokimoto, N., K. Okanoya. 2004. Spontaneous construction of "Chines boxes" by Degus (Octodon degus): A rudiment of recursive intelligence?. Japanese Psychological Research, 46/3: 255-261. Veloso, C., G. Kenagy. 2005. Temporal dynamics of milk composition of the precocial caviomorph Octodon degus (Rodentia : Octodontidae). Revista Chilena de Historia Natural, 78/2: 247-252. Woods, C., D. Boraker. 1975. Octodon degus. Mammalian Species, 67: 1-5.

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Details of Glycemic Index (GI) The GI Scale The glycemic index uses a scale from 1 to 100, which indicates the rate at which 50 grams of carbohydrate in a particular food is absorbed into the bloodstream as blood-sugar. The main reference food (rated 100) is glucose. GI Rating Categories The glycemic index divides carbohydrate foods into three categories: GI Food Testing is Ongoing Not all foods have been given a GI value, although most food-types are covered. However, due to the way GI is measured using volunteer subjects, results can vary, so GI values for some specific foods are not yet uniformly established. GI - Diabetes and Weight Control Although the glycemic index was first designed to assist diabetes patients manage their blood-sugar levels, dietitians and weight experts now use it as a tool to help treat obesity, food cravings and appetite swings, and improve eating habits. Both the type AND quantity of carbohydrate in our food influence the rise in blood glucose. But the glycemic index only rates a standard 50 gram serving size of digestible carbohydrate in a particular food, which may not be appropriate for all foods. For example, foods whose serving size contains only a small amount of carbohydrate may in practice be better for blood sugar control than foods whose normal serving size contains a large amount of carbs. Therefore, to provide a more meaningful GI-rating system, researchers at Harvard University invented the term Glycemic Load, which applies the glycemic index to normal food serving sizes. OBESITY, OVERWEIGHT and

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Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2010 August 12 Explanation: Each August, as planet Earth swings through dust trailing along the orbit of periodic comet Swift-Tuttle, skygazers can enjoy the Perseid Meteor Shower. The shower should build to its peak now, best seen from later tonight after moonset, until dawn tomorrow morning when Earth moves through the denser part of the wide dust trail. But shower meteors have been spotted for many days, like this bright Perseid streaking through skies near Lake Balaton, Hungary on August 8. In the foreground is the region's Church of St. Andrew ruin, with bright Jupiter dominating the sky to its right. Two galaxies lie in the background of the wide-angle, 3 frame panorama; our own Milky Way's luminous arc, and the faint smudge of the more distant Andromeda Galaxy just above the ruin's leftmost wall. If you watch for Perseid meteors tonight, be sure and check out the early evening sky show too, featuring bright planets and a young crescent Moon near the western horizon after sunset. Authors & editors: Jerry Bonnell (UMCP) NASA Official: Phillip Newman Specific rights apply. A service of: ASD at NASA / GSFC & Michigan Tech. U.

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1. Why is extremism an issue in prisons? Extremist groups often pose special security risks in prisons. They may encourage the overthrow of the government, and prison officials can be targeted as agents of "illegal" government authority. Further, their literature often encourages ethnic hatred, promoting a violent and racially charged prison atmosphere. Since the 1980s, white supremacist organizations have spread throughout the American prison system, beginning with the growth of Aryan Brotherhood.1 Aryan Nations, although not permitting inmates to become members, has engaged in "prison outreach" since 1979. In 1987, it began publishing a "prison outreach newsletter" called The Way to facilitate recruitment. Aryan Nations also disseminates its literature and letters to inmates. The World Church of the Creator and some Identity Church groups engage in similar outreach activity, as do other racist groups, such as Nation of Islam. The situation is further complicated by the fact that nonideological criminal prison gangs are often organized based on race, which increases racial polarization. Imprisoned extremists also pose a security threat by continuing their activities while incarcerated. They recruit inmates, and teach other inmates extremist tactics. Some imprisoned extremists also have attempted to continue to influence adherents outside of prison by, for instance, publishing newsletters from the prison to maintain their outside following. Prison officials have responded in various ways, reflecting the fact that each state has its own prison system (as do cities, counties and the federal government), and that prisons have varying populations. At times, prison officials have tried to limit access to extremist literature, and these responses have occasionally given rise to litigation because they potentially impinge upon inmates' First Amendment rights. The questions are especially complicated when the censored material comes from a group that claims to be religious. 1 Aryan Brotherhood, at one time associated with Aryan Nations, began as a virulent racist and anti-Semitic prison gang, and has since developed into a crime gang associated with extortion, drug operations and prison violence. 2. Do inmates have the same First Amendment rights as everybody else? The United States Supreme Court has said that "prison walls do not form a barrier separating prison inmates from the protections of the Constitution." Nevertheless, inmates' First Amendment rights are less extensive than other citizens' and their rights can be limited due to security or other penological concerns. Because of the particular challenges administrators face running prisons, the Supreme Court has acknowledged there is a compelling government interest which warrants limiting prisoners' rights. Courts have been deferential to prison officials' assessments of security threats, and sensitive to their related regulatory decisions, even if such decisions impact inmates' First Amendment rights. A prison regulation that impinges on an inmate's constitutional rights will be upheld in court if that regulation is reasonably related to legitimate penological objectives. This means that, generally, prison officials can ban extremist materials from prisons because of concerns that the distribution of such material will undermine prison security. Extremist books, leaflets, and magazines have been forbidden to prisoners on this basis. Such material has not been allowed through the mail and has not been kept in the prison library. However, prisons have less discretion to limit inmates' religious practices than other First Amendment rights due to a new federal law. Because of the Religious Land Use and Institutionalized Persons Act (RLUIPA), prison officials' discretion in limiting access to extremist material may depend in part on whether such material is related to an inmate's religious exercise. Therefore, prison regulations that affect religious exercise, including access to religious literature, will be reviewed carefully if challenged in court. 3. What legal standard is used to determine the constitutionality of prison regulations? The Supreme Court announced the standard under which it would review the constitutionality of prison regulations in Turner v. Safley, a case involving a challenge to a complete prohibition on inmate marriage. As noted earlier, a prison regulation is constitutional if it is reasonably related to legitimate penological objectives. Under this standard, courts have upheld regulations based on the consideration of certain factors: - Is there a valid, rational connection between the prison regulation and the legitimate governmental interest put forward to justify it? - Are there alternative means of exercising the assert- ed right that remain open to inmates? - How great a negative impact will accommodating the inmates' rights have on guards, other inmates,a nd on the allocation of prison resources? Courts will consider the existence of obvious and easy alternatives to a challenged regulation as evidence of a regulation's arbitrariness. 4. Is the same legal standard used to determine the constitutionality of prison regulations that implicate an inmate's right to free exercise of religion? No, the same standard is not applicable to determining the constitutionality of prison regulations alleged to violate inmates' free exercise rights. The constitutionality of such regulations is determined under the more stringent standard set forth in RLUIPA. RLUIPA says that the government cannot impose a substantial burden on the religious exercise of an inmate, even if the inmate's religious exercise is being limited by a generally applicable rule. However, an inmate's religious practices can be limited if the prison official demonstrates that the regulations in question (i) further a compelling interest and (ii) the same interest cannot be served in a manner that is less restrictive of the inmate's free exercise rights. Since RLUIPA was enacted in September 2000, it has not yet been interpreted by the courts. Therefore, how this statute will impact prison regulations that affect inmates' religious exercise remains unclear. 5. How should prison officials evaluate whether particular material can be withheld from inmates? Generally, the First Amendment does not allow speech to be censored by the government because of the content of that speech. The government can only limit the time, place, and manner of speech. However, because inmates have more limited First Amendment rights than other citizens, some content-based discrimination is allowed for security reasons. For example, the United States Court of Appeals for the 10th Circuit upheld a prison official's decision to withhold entire issues of the magazine, Muhammad Speaks, because certain articles in the magazine created a danger of violence by advocating racial, religious, or national hatred. This decision was prior to the passage of RLUIPA, and therefore the Court's analysis might be somewhat different today. Under current law, if having the entire magazine withheld was determined to be a substantial burden on inmates' free exercise rights, the Court might require that the offending material be removed rather than the entire issue being withheld. Regulations that exclude publications from a prison because of security concerns have been found constitutional when the regulations have required individualized review of any material before it is banned, notification to inmates that the material has been denied, and the possibility of review of such decisions. Courts have tended to find prison regulations that ban all literature from particular groups unconstitutional. However, the determination of the constitutionality of a given regulation or the implementation of the regulation has tended to be very fact-specific. Courts look not only at the regulation at issue but also consider the nature of the prison (high, medium, or low security) and the particular administrative challenges faced by the prison (such as crowding and quantity of incoming mail) in determining reasonableness, or the practical existence of less restrictive alternative measures. 6. Can prison officials apply the same restrictions to outgoing prison material? The Supreme Court does not allow content regulation with respect to outgoing mail from inmates. While outgoing mail can be searched for contraband,2 content regulation of outgoing mail is also more restricted because it implicates the First Amendment rights of non-prisoner addressees.3 In addition, outgoing material does not pose a threat to internal prison security; therefore content limitations have been considered less urgent. However, regulations can limit the content of outgoing mail categorically. For example, escape plans, threats, running a business, and blackmail are categories that have been disallowed. Therefore, correspondence from prisoners to extremist groups cannot be banned outright because of its content. However, inmates can be prevented from distributing a newsletter from prison when doing so constitutes running a business. 2 Special rules exist with respect to attorney-client correspondence or mail that implicates an inmate's right to access the courts that are beyond the scope of this discussion. 3 However, prison officials can forbid all correspondence between incarcerated individuals. 7. Can extremist "missionaries" be prevented from visiting prisons? Prison officials can ban categories of prison visitors, such as former inmates or visitors who have previously broken visiting rules. An extremist "missionary" can be barred from a prison because of generally applicable rules. In addition, prisons can create procedures for requesting visiting ministers, and impose conditions on the selection of the ministers, such as sponsorship by an outside religious organization. Prison officials can also exclude prison "missionaries" if they are advocating violence or otherwise fomenting prison unrest by encouraging racial tension. However, under RLUIPA, the prison would have to show that any restrictions on visiting clergy are the least restrictive means of achieving its end. Prison officials do not have a responsibility to hire a minister for each religious denomination represented in the prison population. However, if visiting ministers of one denomination are compensated, visiting ministers of other denominations must be equally compensated. Security limitations can be placed on inmate-led prayer or services, but again, under RLUIPA, the prison would have to show that any restrictions on such gatherings is the least restrictive means of achieving its end. For example, it is more likely that the prison could limit the frequency of such meetings, the number of attendees and require supervision than that such gatherings could be banned outright. 8. Under what circumstances must prisons accommodate prisoners' religious dietary requirements? Accommodating religiously based dietary rules has become an issue when dealing with extremists because incidents have raised concern that extremists "adopt" religious practices that are not based on sincere beliefs in order to obtain special privileges, such as specialized diets. Generally, if an inmate's request for a special diet is because of a sincerely held belief and religious in nature, the inmate has a constitutionally protected interest. Under RLUIPA, a request for a special religious diet can only be refused based on a compelling prison interest and if it is the least restrictive means possible for the prison protecting that interest. Prisons may offer more limited food selection to prisoners with religious dietary limitations, such as providing only cold kosher meals rather than hot food. In the past, when determining whether a prison was required to provided a special diet for a prisoner, courts have considered whether the dietary restrictions were central to the prisoner's religious observance. Under RLUIPA, such a determination would probably not be relevant. The threshold question in evaluating the prison's obligation to accommodate a request would still be whether the inmate's dietary request arose out of sincerely held beliefs that were religious in nature.

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Wikipedia sobre física de partículas Rapidinho. Me falaram que a definição de física de partículas da Wikipedia era muito ruim. E de fato, era assim: Particle physics is a branch of physics that studies the elementary particle|elementary subatomic constituents of matter and radiation, and their interactions. The field is also called high energy physics, because many elementary particles do not occur under ambient conditions on Earth. They can only be created artificially during high energy collisions with other particles in particle accelerators. Particle physics has evolved out of its parent field of nuclear physics and is typically still taught in close association with it. Scientific research in this area has produced a long list of particles. Mas hein? Partículas que só podem ser criadas em aceleradores? Física de partículas é ensinada junto com física nuclear? A pesquisa produz partículas (essa é ótima!)? Em que mundo essa pessoa vive? Reescrevi: Particle Physics is a branch of physics that studies the existence and interactions of particles, which are the constituents of what is usually referred as matter or radiation. In our current understanding, particles are excitations of quantum fields and interact following their dynamics. Most of the interest in this area is in fundamental fields, those that cannot be described as a bound state of other fields. The set of fundamental fields and their dynamics are summarized in a model called the Standard Model and, therefore, Particle Physics is largely the study of the Standard Model particle content and its possible extensions. Eu acho que ficou bem melhor. Vamos ver em quanto tempo algum editor esquentado da Wikipedia vai demorar para reverter. Atualmente está um saco participar da Wikipedia por causa dessas pessoas.

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- published: 19 Mar 2013 - views: 42 - author: T.A. B possibly testing on weans, that worries me http://www.bbc.co.uk/news/world-us-canada-21849808. A vaccine is a biological preparation that improves immunity to a particular disease. A vaccine typically contains an agent that resembles a disease-causing microorganism, and is often made from weakened or killed forms of the microbe, its toxins or one of its surface proteins. The agent stimulates the body's immune system to recognize the agent as foreign, destroy it, and "remember" it, so that the immune system can more easily recognize and destroy any of these microorganisms that it later encounters. Vaccines can be prophylactic (example: to prevent or ameliorate the effects of a future infection by any natural or "wild" pathogen), or therapeutic (e.g. vaccines against cancer are also being investigated; see cancer vaccine). The term vaccine derives from Edward Jenner's 1796 use of cow pox (Latin variola vaccinia, adapted from the Latin vaccīn-us, from vacca, cow), to inoculate humans, providing them protection against smallpox. Vaccines do not guarantee complete protection from a disease. Sometimes, this is because the host's immune system simply does not respond adequately or at all. This may be due to a lowered immunity in general (diabetes, steroid use, HIV infection, age) or because the host's immune system does not have a B cell capable of generating antibodies to that antigen. Even if the host develops antibodies, the human immune system is not perfect and in any case the immune system might still not be able to defeat the infection immediately. In this case, the infection will be less severe and heal faster. Adjuvants are typically used to boost immune response. Most often aluminium adjuvants are used, but adjuvants like squalene are also used in some vaccines and more vaccines with squalene and phosphate adjuvants are being tested. Larger doses are used in some cases for older people (50–75 years and up), whose immune response to a given vaccine is not as strong. The efficacy or performance of the vaccine is dependent on a number of factors: When a vaccinated individual does develop the disease vaccinated against, the disease is likely to be milder than without vaccination. The following are important considerations in the effectiveness of a vaccination program: In 1958 there were 763,094 cases of measles and 552 deaths in the United States. With the help of new vaccines, the number of cases dropped to fewer than 150 per year (median of 56). In early 2008, there were 64 suspected cases of measles. 54 out of 64 infections were associated with importation from another country, although only 13% were actually acquired outside of the United States; 63 of these 64 individuals either had never been vaccinated against measles, or were uncertain whether they had been vaccinated. Vaccines are dead or inactivated organisms or purified products derived from them. There are several types of vaccines in use. These represent different strategies used to try to reduce risk of illness, while retaining the ability to induce a beneficial immune response. Some vaccines contain killed, but previously virulent, micro-organisms that have been destroyed with chemicals, heat, radioactivity or antibiotics. Examples are the influenza vaccine, cholera vaccine, bubonic plague vaccine, polio vaccine, hepatitis A vaccine, and rabies vaccine. Some vaccines contain live, attenuated microorganisms. Many of these are live viruses that have been cultivated under conditions that disable their virulent properties, or which use closely related but less dangerous organisms to produce a broad immune response. Although most attenuated vaccines are viral, some are bacterial in nature. They typically provoke more durable immunological responses and are the preferred type for healthy adults. Examples include the viral diseases yellow fever, measles, rubella, and mumps and the bacterial disease typhoid. The live Mycobacterium tuberculosis vaccine developed by Calmette and Guérin is not made of a contagious strain, but contains a virulently modified strain called "BCG" used to elicit an immune response to the vaccine. The live attenuated vaccine containing strain Yersinia pestis EV is used for plague immunization. Attenuated vaccines have some advantages and disadvantages. They have the capacity of transient growth so they give prolonged protection, and no booster dose is required. But they may get reverted to the virulent form and cause the disease. Toxoid vaccines are made from inactivated toxic compounds that cause illness rather than the micro-organism. Examples of toxoid-based vaccines include tetanus and diphtheria. Toxoid vaccines are known for their efficacy. Not all toxoids are for micro-organisms; for example, Crotalus atrox toxoid is used to vaccinate dogs against rattlesnake bites. Protein subunit – rather than introducing an inactivated or attenuated micro-organism to an immune system (which would constitute a "whole-agent" vaccine), a fragment of it can create an immune response. Examples include the subunit vaccine against Hepatitis B virus that is composed of only the surface proteins of the virus (previously extracted from the blood serum of chronically infected patients, but now produced by recombination of the viral genes into yeast), the virus-like particle (VLP) vaccine against human papillomavirus (HPV) that is composed of the viral major capsid protein, and the hemagglutinin and neuraminidase subunits of the influenza virus. Subunit vaccine is being used for plague immunization. Conjugate – certain bacteria have polysaccharide outer coats that are poorly immunogenic. By linking these outer coats to proteins (e.g. toxins), the immune system can be led to recognize the polysaccharide as if it were a protein antigen. This approach is used in the Haemophilus influenzae type B vaccine. A number of innovative vaccines are also in development and in use: While most vaccines are created using inactivated or attenuated compounds from micro-organisms, synthetic vaccines are composed mainly or wholly of synthetic peptides, carbohydrates or antigens. Vaccines may be monovalent (also called univalent) or multivalent (also called polyvalent). A monovalent vaccine is designed to immunize against a single antigen or single microorganism. A multivalent or polyvalent vaccine is designed to immunize against two or more strains of the same microorganism, or against two or more microorganisms. In certain cases a monovalent vaccine may be preferable for rapidly developing a strong immune response. The immune system recognizes vaccine agents as foreign, destroys them, and "remembers" them. When the virulent version of an agent comes along the body recognizes the protein coat on the virus, and thus is prepared to respond, by (1) neutralizing the target agent before it can enter cells, and (2) by recognizing and destroying infected cells before that agent can multiply to vast numbers. When two or more vaccines are mixed together in the same formulation, the two vaccines can interfere. This most frequently occurs with live attenuated vaccines, where one of the vaccine components is more robust than the others and suppresses the growth and immune response to the other components. This phenomenon was first noted in the trivalent Sabin polio vaccine, where the amount of serotype 2 virus in the vaccine had to be reduced to stop it from interfering with the "take" of the serotype 1 and 3 viruses in the vaccine. This phenomenon has also been found to be a problem with the dengue vaccines currently being researched,[when?] where the DEN-3 serotype was found to predominate and suppress the response to DEN-1, -2 and -4 serotypes. Vaccines have contributed to the eradication of smallpox, one of the most contagious and deadly diseases known to man. Other diseases such as rubella, polio, measles, mumps, chickenpox, and typhoid are nowhere near as common as they were a hundred years ago. As long as the vast majority of people are vaccinated, it is much more difficult for an outbreak of disease to occur, let alone spread. This effect is called herd immunity. Polio, which is transmitted only between humans, is targeted by an extensive eradication campaign that has seen endemic polio restricted to only parts of four countries (Afghanistan, India, Nigeria and Pakistan). The difficulty of reaching all children as well as cultural misunderstandings, however, have caused the anticipated eradication date to be missed several times. In order to provide best protection, children are recommended to receive vaccinations as soon as their immune systems are sufficiently developed to respond to particular vaccines, with additional "booster" shots often required to achieve "full immunity". This has led to the development of complex vaccination schedules. In the United States, the Advisory Committee on Immunization Practices, which recommends schedule additions for the Centers for Disease Control and Prevention, recommends routine vaccination of children against: hepatitis A, hepatitis B, polio, mumps, measles, rubella, diphtheria, pertussis, tetanus, HiB, chickenpox, rotavirus, influenza, meningococcal disease and pneumonia. The large number of vaccines and boosters recommended (up to 24 injections by age two) has led to problems with achieving full compliance. In order to combat declining compliance rates, various notification systems have been instituted and a number of combination injections are now marketed (e.g., Pneumococcal conjugate vaccine and MMRV vaccine), which provide protection against multiple diseases. Besides recommendations for infant vaccinations and boosters, many specific vaccines are recommended at other ages or for repeated injections throughout life—most commonly for measles, tetanus, influenza, and pneumonia. Pregnant women are often screened for continued resistance to rubella. The human papillomavirus vaccine is recommended in the U.S. (as of 2011) and UK (as of 2009). Vaccine recommendations for the elderly concentrate on pneumonia and influenza, which are more deadly to that group. In 2006, a vaccine was introduced against shingles, a disease caused by the chickenpox virus, which usually affects the elderly. Sometime during the 1770s Edward Jenner heard a milkmaid boast that she would never have the often-fatal or disfiguring disease smallpox, because she had already had cowpox, which has a very mild effect in humans. In 1796, Jenner took pus from the hand of a milkmaid with cowpox, inoculated an 8-year-old boy with it, and six weeks later variolated the boy's arm with smallpox, afterwards observing that the boy did not catch smallpox. Further experimentation demonstrated the efficacy of the procedure on an infant. Since vaccination with cowpox was much safer than smallpox inoculation, the latter, though still widely practiced in England, was banned in 1840. Louis Pasteur generalized Jenner's idea by developing what he called a rabies vaccine, and in the nineteenth century vaccines were considered a matter of national prestige, and compulsory vaccination laws were passed. The twentieth century saw the introduction of several successful vaccines, including those against diphtheria, measles, mumps, and rubella. Major achievements included the development of the polio vaccine in the 1950s and the eradication of smallpox during the 1960s and 1970s. Maurice Hilleman was the most prolific of the developers of the vaccines in the twentieth century. As vaccines became more common, many people began taking them for granted. However, vaccines remain elusive for many important diseases, including malaria and HIV. ||The neutrality of this section is disputed. Please see the discussion on the talk page. Please do not remove this message until the dispute is resolved. (October 2011)| ||This article is missing information about Scientific rebuttal to the attacks. This concern has been noted on the talk page where whether or not to include such information may be discussed. (October 2011)| Opposition to vaccination, from a wide array of vaccine critics, has existed since the earliest vaccination campaigns. Although the benefits of preventing suffering and death from serious infectious diseases greatly outweigh the risks of rare adverse effects following immunization, disputes have arisen over the morality, ethics, effectiveness, and safety of vaccination. Some vaccination critics say that vaccines are ineffective against disease or that vaccine safety studies are inadequate. Some religious groups do not allow vaccination, and some political groups oppose mandatory vaccination on the grounds of individual liberty. In response, concern has been raised that spreading unfounded information about the medical risks of vaccines increases rates of life-threatening infections, not only in the children whose parents refused vaccinations, but also in other children, perhaps too young for vaccines, who could contract infections from unvaccinated carriers (see herd immunity). One challenge in vaccine development is economic: many of the diseases most demanding a vaccine, including HIV, malaria and tuberculosis, exist principally in poor countries. Pharmaceutical firms and biotechnology companies have little incentive to develop vaccines for these diseases, because there is little revenue potential. Even in more affluent countries, financial returns are usually minimal and the financial and other risks are great. Most vaccine development to date has relied on "push" funding by government, universities and non-profit organizations. Many vaccines have been highly cost effective and beneficial for public health. The number of vaccines actually administered has risen dramatically in recent decades.[when?] This increase, particularly in the number of different vaccines administered to children before entry into schools may be due to government mandates and support, rather than economic incentive. The filing of patents on vaccine development processes can also be viewed as an obstacle to the development of new vaccines. Because of the weak protection offered through a patent on the final product, the protection of the innovation regarding vaccines is often made through the patent of processes used on the development of new vaccines as well as the protection of secrecy. Vaccine production has several stages. First, the antigen itself is generated. Viruses are grown either on primary cells such as chicken eggs (e.g., for influenza), or on continuous cell lines such as cultured human cells (e.g., for hepatitis A). Bacteria are grown in bioreactors (e.g., Haemophilus influenzae type b). Alternatively, a recombinant protein derived from the viruses or bacteria can be generated in yeast, bacteria, or cell cultures. After the antigen is generated, it is isolated from the cells used to generate it. A virus may need to be inactivated, possibly with no further purification required. Recombinant proteins need many operations involving ultrafiltration and column chromatography. Finally, the vaccine is formulated by adding adjuvant, stabilizers, and preservatives as needed. The adjuvant enhances the immune response of the antigen, stabilizers increase the storage life, and preservatives allow the use of multidose vials. Combination vaccines are harder to develop and produce, because of potential incompatibilities and interactions among the antigens and other ingredients involved. Vaccine production techniques are evolving. Cultured mammalian cells are expected to become increasingly important, compared to conventional options such as chicken eggs, due to greater productivity and low incidence of problems with contamination. Recombination technology that produces genetically detoxified vaccine is expected to grow in popularity for the production of bacterial vaccines that use toxoids. Combination vaccines are expected to reduce the quantities of antigens they contain, and thereby decrease undesirable interactions, by using pathogen-associated molecular patterns. In 2010, India produced 60 percent of world's vaccine worth about $900 million. Many vaccines need preservatives to prevent serious adverse effects such as Staphylococcus infection that, in one 1928 incident, killed 12 of 21 children inoculated with a diphtheria vaccine that lacked a preservative. Several preservatives are available, including thiomersal, phenoxyethanol, and formaldehyde. Thiomersal is more effective against bacteria, has better shelf life, and improves vaccine stability, potency, and safety, but in the U.S., the European Union, and a few other affluent countries, it is no longer used as a preservative in childhood vaccines, as a precautionary measure due to its mercury content. Although controversial claims have been made that thiomersal contributes to autism, no convincing scientific evidence supports these claims. There are several new delivery systems in development[when?] that will hopefully make vaccines more efficient to deliver. Possible methods include liposomes and ISCOM (immune stimulating complex). The latest developments[when?] in vaccine delivery technologies have resulted in oral vaccines. A polio vaccine was developed and tested by volunteer vaccinations with no formal training; the results were positive in that the ease of the vaccines increased. With an oral vaccine, there is no risk of blood contamination. Oral vaccines are likely to be solid which have proven to be more stable and less likely to freeze; this stability reduces the need for a "cold chain": the resources required to keep vaccines within a restricted temperature range from the manufacturing stage to the point of administration, which, in turn, may decrease costs of vaccines. A microneedle approach, which is still in stages of development, uses "pointed projections fabricated into arrays that can create vaccine delivery pathways through the skin". A nanopatch is a needle free vaccine delivery system which is under development. A stamp-sized patch similar to an adhesive bandage contains about 20,000 microscopic projections per square inch. When worn on the skin, it will deliver vaccine directly to the skin, which has a higher concentration of immune cells than that in the muscles, where needles and syringes deliver. It thus increases the effectiveness of the vaccination using a lower amount of vaccine used in traditional syringe delivery system. The use of plasmids has been validated in preclinical studies as a protective vaccine strategy for cancer and infectious diseases. However, in human studies this approach has failed to provide clinically relevant benefit. The overall efficacy of plasmid DNA immunization depends on increasing the plasmid's immunogenicity while also correcting for factors involved in the specific activation of immune effector cells. Vaccinations of animals are used both to prevent their contracting diseases and to prevent transmission of disease to humans. Both animals kept as pets and animals raised as livestock are routinely vaccinated. In some instances, wild populations may be vaccinated. This is sometimes accomplished with vaccine-laced food spread in a disease-prone area and has been used to attempt to control rabies in raccoons. Where rabies occurs, rabies vaccination of dogs may be required by law. Other canine vaccines include canine distemper, canine parvovirus, infectious canine hepatitis, adenovirus-2, leptospirosis, bordatella, canine parainfluenza virus, and Lyme disease among others. Vaccine development has several trends: Principles that govern the immune response can now be used in tailor-made vaccines against many noninfectious human diseases, such as cancers and autoimmune disorders. For example, the experimental vaccine CYT006-AngQb has been investigated as a possible treatment for high blood pressure. Factors that have impact on the trends of vaccine development include progress in translatory medicine, demographics, regulatory science, political, cultural, and social responses. |Modern Vaccine and Adjuvant Production and Characterization, Genetic Engineering & Biotechnology News| The World News (WN) Network, has created this privacy statement in order to demonstrate our firm commitment to user privacy. The following discloses our information gathering and dissemination practices for wn.com, as well as e-mail newsletters. We do not collect personally identifiable information about you, except when you provide it to us. For example, if you submit an inquiry to us or sign up for our newsletter, you may be asked to provide certain information such as your contact details (name, e-mail address, mailing address, etc.). We may retain other companies and individuals to perform functions on our behalf. 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Wars have given us the Jeep, the computer and even the microwave. Will the war in Iraq give us the Tiger? Military scientists at Edgewood Chemical Biological Center at Aberdeen Proving Ground hope so. The machine - its full name is the Tactical Garbage to Energy Refinery - combines a chute, an engine, chemical tanks and other components, giving it the appearance of a lunar rover. It's designed to turn food and waste into fuel. If it works, it could save scores of American and Iraqi lives. Among the biggest threats that soldiers face in the war in Iraq are the roadside bombs that have killed or maimed thousands since the U.S.-led invasion in 2003. Because some military bases lack a landfill, transporting garbage to dumps miles away in the desert has become a potentially fatal routine for U.S. troops and military contractors. The Tiger would attempt to solve two problems at once: It would sharply reduce those trash hauls and provide the military with an alternative source of fuel. It is the latest in a long line of wartime innovations, from can openers to desert boots. The conflict in Iraq has produced innovations such as "warlocks," which jam electronic signals from cell phones, garage door openers and other electronic devices that insurgents use to detonate roadside bombs, according to Inventors Digest. "In wartime, you're not worried about making a profit necessarily. You're worried about getting the latest technology on the street," said Peter Kindsvatter, a military historian at Aberdeen Proving Ground, who added that money is spent more freely for research when a nation is at war. "Basically, you find yourself in a technology race with your enemy." The Tiger, now being tested in Baghdad, would not be the first device to turn garbage into energy - a large incinerator near Baltimore's downtown stadiums does it. But it would be among the first to attempt to do it on a small scale. Its creators say it could one day become widely used in civilian life, following the lead of other wartime innovations. During World War II, contractors developed the Jeep to meet the military's desire for a light, all-purpose vehicle that could transport supplies. The development of radar technology to spot Nazi planes led to the microwave, according to historians. The World War II era also gave birth to the first electronic digital computer, the Electronic Numerical Integrator and Computer, or ENIAC. Funded by the Defense Department, the machine was built to compute ballistics tables that soldiers used to mechanically aim large guns. For years it was located at Aberdeen Proving Ground. This decade, the Pentagon determined that garbage on military bases poses a serious logistical problem. "When you're over in a combat area and people are shooting at you, you still have to deal with your trash," said John Spiller, project officer with the Army's Rapid Equipping Force, which is funding the Tiger project. "How would you feel if somebody was shooting at you every other time you pushed it down the curb?" He and other Army officials said they could not recall any specific attacks against troops or contractors heading to dumpsites.For years, large incinerators have burned trash to generate power. Baltimore Refuse Energy Systems Co., the waste-to-energy plant near the stadiums, consumes up to 2,250 tons of refuse a day while producing steam and electricity. The process is so expensive that it has only made sense to do it on a large scale, scientists say. The military has spent almost $3 million on two Tiger prototypes, each weighing nearly 5 tons and small enough to fit into a 20- to 40-foot wide container. The project is being developed by scientists from the Edgewood, Va.-based Defense Life Sciences LLC and Indiana's Purdue University. The biggest challenge was getting the parts to work together, said Donald Kennedy, an Edgewood spokesman. Because the Tiger is a hybrid consisting of a gasifier, bioreactor and generator, much of it is built with off-the-shelf items, including a grinder. Another big challenge: expectations. "When we would initially talk to people about the Tiger system, a large percentage would refuse to believe it could actually work," Kennedy wrote in an e-mail. "Alternatively, a similar percentage would be so intrigued by the idea that they would demand to know when they could buy one for their neighborhood." The Tiger works like this: A shredder rips up waste and soaks it in water. A bioreactor metabolizes the sludge into ethanol. A pelletizer compresses undigested waste into pellets that are fed into a gasification unit, which produces composite gas. The ethanol, composite gas and a 10-percent diesel drip are injected into a diesel generator to produce electricity, according to scientists. It takes about six hours for the Tiger to power up. When it works, the device can power a 60-kilowatt generator. The prototypes are being tested at Camp Victory in Baghdad Initial runs proved successful. The prototypes have been used to power an office trailer. At their peak, they could power two to three trailers. In recent weeks, the scientists suffered a setback: The above-100 degree temperatures caused a chiller device to overheat and shut off occasionally. A new chiller from Edgewood just arrived at the site, Kennedy said. After the 90-day testing phase that ends Aug. 10, the Army will decide whether to fund the project further. Its developers envision the device being used to respond to crises such as Hurricane Katrina, when there is no lack of garbage but a great need for electricity. Spiller, of the Army's Rapid Equipping Force, said he is optimistic. "The mere fact we wrote a check means we think it's got a high chance of success," Spiller said.

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Then and now, there is ample proof that Americans do take Supreme Court nominations seriously. With good reason. Sooner or later, the nation's most vexing disagreements over our most vital issues wind up before the Supreme Court. None quite penetrates to the core of our democratic being more than those involving First Amendment rights and values. Each term, the nine justices must grapple with profound questions involving freedom of speech, freedom of thought and freedom to participate in political discourse: Just how free is freedom of speech? What is the role of religion in public life? Does national security trump the public's right to know? During the Court's last three terms, the First Amendment has not fared well. The high court has accepted for review far fewer free-expression-related cases than usual and it has been unusually stingy in recognizing First Amendment claims. In only two of the 15 decisions rendered in free-expression cases did the Court sustain those claims. How the First Amendment will fare in the future depends on how Chief Justice John Roberts differs from his predecessor, William Rehnquist, and how Miers, if confirmed, differs from O'Connor. During his 33 years on the Court as an associate justice and chief justice, Rehnquist consistently voted against free-speech and free-press claims. O'Connor, however, played a pivotal role during her time as justice, frequently casting the decisive fifth vote in religion cases and occasionally in expression cases. The justices over the next 12 months will hear arguments, review briefs and render opinions in several cases that have direct bearing on whether we have full or constricted freedoms when we wish to play a role in the crucial political, cultural or religious issues that confront us. In five cases, the Court will once more take up the question of whether state laws regulating campaign contributions and expenditures pose an unconstitutional threat to political expression: Is money speech? The issues of compelled speech and government funding of speech are raised in another case. A coalition of university law schools which object to the military's ban against acknowledged homosexuals contends that requiring them to allow military recruiters on campus violates their rights. Another case tests the limits of the free exercise of religion. The justices will decide whether the federal government can prohibit a small group of followers of a Brazilian religious sect in New Mexico from importing a banned substance, a hallucinogenic tea, for use in its ceremonies. In a case involving anti-abortion protests appearing before the Court for the third time since 1986, the justices' ruling could affect protest and picketing rights and practices. And a Los Angeles deputy district attorney wants the Court to declare that his free-speech rights were violated when he was disciplined for informing a defense attorney about ethical problems in a pending case. The confirmation process for Miers should be complete by the end of the year. At present, chances seem good that she will be confirmed. Since 1789, the Senate has rejected only 34 of 155 nominations to the Supreme Court. Not much is known about Roberts' views on these issues; even less about Miers'. First Amendment advocates, of course, hope they set the new Court on a new course as far as free expression is concerned. In that regard, Justice Brandeis set a great example as a First Amendment champion during his 23 years on the Supreme Court. "Those who won our independence," he wrote in 1927, "believed liberty to be the secret of happiness and courage to be the secret of liberty. They believed that freedom to think as you will and to speak as you think are means indispensable to the discovery and spread of political truth." The cause of liberty would be better served if this Court's future rulings transcend individual temperament and ideology to embrace the freedom for speech and the tolerance for belief that define a vital democracy. Editor's note: Paul K. McMasters is First Amendment ombudsman at the First Amendment Center, 1101 Wilson Blvd., Arlington, Va. 22209. Web: www.firstamendmentcenter.org. E-mail: email@example.com.

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en

The vaunted protection that intellectually active adults get from Alzheimer’s disease has a dark downside, a study released Wednesday has found. Once dementia symptoms become evident and Alzheimer’s disease is diagnosed in such patients, their mental decline can come with frightening speed. That finding, published in the journal Neurology, comes from a study of 1,157 Chicago-based seniors who were followed for an average of just over 11 years. Six years after gauging the extent to which the study participants engaged in activities that challenged their mental capacities, researchers from Rush University Medical Center Alzheimer’s Disease Center made periodic assessments of the study participants’ cognitive health and traced the trajectories of their brain health. All told, 148 of the participants were diagnosed with Alzheimer’s disease during the follow-up period, and 395 were found to have mild cognitive impairment—intellectual problems that are less severe than Alzheimer’s disease, but which often precede such a diagnosis. While all participants’ mental function showed yearly declines, the steepest downward trajectories belonged to those who had been diagnosed with Alzheimer’s disease, but who had reported high levels of mental engagement at the outset of the study. Fellow Alzheimer’s sufferers who had not sought out much intellectual stimulation at the study’s outset showed a more gradual decline in their function. “In effect, the results of this study suggest that the benefit of delaying the initial appearance of cognitive impairment [in Alzheimer’s disease] comes at the cost of more rapid dementia progression,” the author wrote. The findings support a common observation of those who treat intellectually minded patients who go on to be diagnosed with Alzheimer’s disease—that once diagnosed, their decline is rapid. It also underscores a growing body of evidence that the bright and mentally-active may not beat Alzheimer’s disease, but can hold off its ravages for months or years longer than those who are not so engaged. Dr. John M. Ringman, a UCLA neurologist and assistant director of the Mary S. Easton Center for Alzheimer’s Disease Research, said he sees regular evidence of the phenomenonen in his clinical work, as well as in brain-imaging scans that can detect the physical signs of Alzheimer’s disease while a patient is still alive: Patients with a history of intensive mental engagement seem to develop a “cognitive reserve,” said Dr. Ringman. That mental strength frequently allows them to function almost normally, he said, even as the amyloid plaques and neurofibrillary tangles that are the hallmarks of the disease have advanced upon the brain. By the time such a patient comes to his office complaining that his memory and mental function are not what they used to be, the disease has progressed significantly, said Ringman. The decline from that point can be precipitous. In a disease that evidence now suggests takes years, perhaps decades, to show up in everyday behavior, Ringman said “it’s hard to quantify this cognitive reserve.” The strength of the study published Wednesday is that it gathered copious evidence of participants’ mental status and activity at the outset and followed them for more than a decade, he added. --Melissa Healy/Los Angeles Times

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Belgian physicist Francois Englert, left, speaks with British physicist… (Fabrice Coffrini / AFP/Getty…) For physicists, it was a moment like landing on the moon or the discovery of DNA. The focus was the Higgs boson, a subatomic particle that exists for a mere fraction of a second. Long theorized but never glimpsed, the so-called God particle is thought to be key to understanding the existence of all mass in the universe. The revelation Wednesday that it -- or some version of it -- had almost certainly been detected amid more than hundreds of trillions of high-speed collisions in a 17-mile track near Geneva prompted a group of normally reserved scientists to erupt with joy. For The Record Los Angeles Times Friday, July 06, 2012 Home Edition Main News Part A Page 4 News Desk 1 inches; 48 words Type of Material: Correction Large Hadron Collider: In some copies of the July 5 edition, an article in Section A about the machine used by physicists at the European Organization for Nuclear Research to search for the Higgs boson referred to the $5-billion Large Hadron Collider. The correct amount is $10 billion. Peter Higgs, one of the scientists who first hypothesized the existence of the particle, reportedly shed tears as the data were presented in a jampacked and applause-heavy seminar at CERN, the European Organization for Nuclear Research. "It's a gigantic triumph for physics," said Frank Wilczek, an MIT physicist and Nobel laureate. "It's a tremendous demonstration of a community dedicated to understanding nature." The achievement, nearly 50 years in the making, confirms physicists' understanding of how mass -- the stuff that makes stars, planets and even people -- arose in the universe, they said. It also points the way toward a new path of scientific inquiry into the mass-generating mechanism that was never before possible, said UCLA physicist Robert Cousins, a member of one of the two research teams that has been chasing the Higgs boson at CERN. "I compare it to turning the corner and walking around a building -- there's a whole new set of things you can look at," he said. "It is a beginning, not an end." Leaders of the two teams reported independent results that suggested the existence of a previously unseen subatomic particle with a mass of about 125 to 126 billion electron volts. Both groups got results at a "five sigma" level of confidence -- the statistical requirement for declaring a scientific "discovery." "The chance that either of the two experiments had seen a fluke is less than three parts in 10 million," said UC San Diego physicist Vivek Sharma, a former leader of one of the Higgs research groups. "There is no doubt that we have found something." But he and others stopped just shy of saying that this new particle was indeed the long-sought Higgs boson. "All we can tell right now is that it quacks like a duck and it walks like a duck," Sharma said. In this case, quacking was enough for most. "If it looks like a duck and quacks like a duck, it's probably at least a bird," said Wilczek, who stayed up past 3 a.m. to watch the seminar live over the Web while vacationing in New Hampshire. Certainly CERN leaders in Geneva, even as they referred to their discovery simply as "a new particle," didn't bother hiding their excitement. The original plan had been to present the latest results on the Higgs search at the International Conference on High Energy Physics, a big scientific meeting that began Wednesday in Melbourne. But as it dawned on CERN scientists that they were on the verge of "a big announcement," Cousins said, officials decided to honor tradition and instead present the results on CERN's turf. The small number of scientists who theorized the existence of the Higgs boson in the 1960s -- including Higgs of the University of Edinburgh -- were invited to fly to Geneva. For the non-VIP set, lines to get into the auditorium began forming late Tuesday. Many spent the night in sleeping bags. All the hubbub was due to the fact that the discovery of the Higgs boson is the last piece of the puzzle needed to complete the so-called Standard Model of particle physics -- the big picture that describes the subatomic particles that make up everything in the universe, and the forces that work between them. Over the course of the 20th century, as physicists learned more about the Standard Model, they struggled to answer one very basic question: Why does matter exist? Higgs and others came up with a possible explanation: that particles gain mass by traveling through an energy field. One way to think about it is that the field sticks to the particles, slowing them down and imparting mass. That energy field came to be known as the Higgs field. The particle associated with the field was dubbed the Higgs boson. Higgs published his theory in 1964. In the 48 years since, physicists have eagerly chased the Higgs boson. Finding it would provide the experimental confirmation they needed to show that their current understanding of the Standard Model was correct. On the other hand, ruling it out would mean a return to the drawing board to look for an alternative Higgs particle, or several alternative Higgs particles, or perhaps to rethink the Standard Model from the bottom up. Either outcome would be monumental, scientists said.

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Discrimination against citizens because of their sexual orientation or their youth is just as unfair as discrimination based on race, religion or gender. Access to housing, hotels, theaters and restaurants should be equal to all, as a matter of plain fairness. The Palm Beach County Commission recognized this truth in passing an ordinance protecting homosexuals, unmarried couples and young people from discrimination in renting or buying housing and in public accommodations. The ordinance also bans discrimination based on race, religion, gender, ethnic origin or disability, but it was the protection of gays that generated opposition and demands for a countywide referendum on the issue. No other Florida county protects homosexuals against housing discrimination. In the 1970s, Dade County passed a similar ordinance but it was repealed in a voter referendum after a bitter fight. A Broward County effort to revise the human rights law to protect homosexuals is more complicated. The Broward law was adopted through the Florida Legislature, so a revision must get legislative approval and be ratified in a public referendum. Palm Beach County`s ordinance passed 4-1; commissioner Ron Howard dissented. The other four commissioners demonstrated courage by refusing to buckle under to opponents or to pass the buck to the public in a referendum. Commissioners were elected to make tough decisions; this time they did. The ordinance provides exceptions: A landlord who lives on his property of four or fewer housing units and rents the rest won`t have to comply. Nor will a seasonal resident who rents his home to someone else part of the year and lives in it himself the rest of the time. Also exempt are religious organizations that own housing units. Those sensible exceptions leave the vast majority of housing covered under the new ordinance. Violators will face fines of up to $50,000, but it may be difficult to prove a violation. Early decisive action against violators by law enforcers, prosecutors and judges could make a clear statement that the county means business and won`t tolerate further discrimination in housing and public accommodations.

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"Helplessness" and "confusion" are words that easily come to mind when the issue of sick building syndrome is mentioned. It is a problem that does not have a regulatory solution, and is bound with engineering, medicine and emotions that will challenge the best of school administrators. A careful management style and knowledgeable use of technologies in medicine, toxicology and property maintenance are a school administrator's best allies in preparing to deal with or prevent this new generation of health and safety challenges. Defining sick building syndrome There is no regulatory definition for sick building syndrome. Although it often relates to indoor-air-quality problems, it simply means that the environment of a building is inspiring complaints of discomfort and/or disease. Fundamentally, the causes of sick buildings relate to architecture and engineering patterns institutionalized in school construction following World War II. Schools of glass, rock and wood, with high ceilings, cross-ventilation via a transom over the door, and windows and radiators that could be adjusted by teachers no longer were built. These schools were being replaced with new, factory-like buildings featuring a temperamental, eccentric system of master controls for indoor environment. Buildings were constructed with no regard to the environment around them or to people within the property. Today, allowing for the ambiguity in defining sick buildings, somewhere between 1-in-5 and 1-in-15 school facilities are in a situation where discomfort and disease can be attributed to operations of the building. Health symptoms in a sick building are highly variable, but generally split into three categories: -Radical reaction--a number of people clearly and suddenly ill. This usually involves limited air exchange combined with a "smoking gun," which can include a new chemical cleaner, misbatched chlorine in a pool area, a weather inversion preventing a kiln from venting properly or a failure of a mechanical air-exchange system. -Unhealthy atmosphere--many people experiencing ongoing subtle illness or discomfort. The most common symptoms involve the dehydration of sensitive tissue, including sore eyes, throat or nasal membranes; a feeling of lethargy; a higher incidence of upper-respiratory infection; asthmatic reactions; low-grade headaches; and a continuum of muscle pain and general discomfort among building occupants. Much of this relates to oxygen deprivation typically caused by oxygen being displaced by other compounds, and occasionally by infestation of microbes as a result of excessive moisture remaining within the property. -Hypersensitive reaction or multiple chemical sensitivity reaction--one or two individuals extremely ill. This can result if even tiny exposures occur to anyone that has a highly sensitive reaction to certain chemicals. Typically, these complaints should be viewed as warnings that some low-level toxin is in the area. Although sick building syndrome usually relates to the general nature of the building itself, there are some specifics that account for most indoor-air problems: *Combustibles; any possible introduction of carbon monoxide. *Moisture as it may relate to mold (look for growths on drywall). *Moisture as it may relate to airborne infectious agents (standing water and consequent growths). *Volatile organic compounds (VOCs), usually cleaning agents or building materials, which may give off unpleasant, sometimes toxic gases. *Formaldehydes in new carpet, pressed wood or other building products. *Any new or newly exposed particleboard. *Applied poisons (pesticides, insecticides, rodenticides, herbicides). A proactive approach Administrators are dealing with a generation of post-World War II properties prone to indoor-air-quality problems, particularly buildings constructed or remodeled during the 1970s energy crisis. A school district should take several steps before a problem strikes. First, initiate patterns for preventing air-quality problems. Second, establish baseline information that will profile the building to facilitate an efficient, inexpensive and confidence-inspiring response. Building occupants and the community need to see a clear and confident administrative approach should a problem arise in the future. The proactive investigation of the building should involve a limited amount of basic testing, particularly a professional review of the microbial matrix within the building--the number of colony-forming units or what kinds of microbes presently are nesting in the building. Understanding what is living in the ambient air can help administrators understand if there is a problem or, more importantly, can help to quickly isolate the exact nature of a problem. Similarly, administrators should consider hiring an outside contractor to review how air-handling and mechanical-engineering systems are managed. A knowledgeable person should walk the area and observe the mechanical systems to see how the filtering system, the air-dispersion system and the air-dilution patterns of the building are operating. Finally, a reliable epidemiological profile of comparative absenteeism should be archived. Administrators also need to be ready to implement a smooth, confidence-building reporting system for occupants regarding air-quality or sick-building concerns. How fast and capably the district responds can be the key to getting the issue under control. The costs for responding to indoor-air problems decrease dramatically if there is baseline data and a plan in place.

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Ethiopian kids hack Zoom tablets in five months. The One Laptop Per Child (OLPC) project recently tried a new approach to distributing computers to developing countries, by leaving boxes of tablets in remote Ethiopian villages with no instructions. The Motorola Zoom tablets had a custom English language OS, a solar charger, and tracking software to monitor how they were used. To the surprise of the organization, not only could the kids who started using the tablets easily figure out how to switch on and use them, but they also learnt to hack into the OS and enable features - amazing especially seeing as most of the kids had never seen a printed word before, let alone in English. “We left the boxes in the village. Closed. Taped shut. No instruction, no human being. I thought, the kids will play with the boxes! Within four minutes, one kid not only opened the box, but found the on/off switch. He’d never seen an on/off switch. He powered it up. Within five days, they were using 47 apps per child per day. Within two weeks, they were singing ABC songs [in English] in the village. And within five months, they had hacked Android. Some idiot in our organization or in the Media Lab had disabled the camera! And they figured out it had a camera, and they hacked Android.” OLPC used the experiment to see whether kids can teach themselves to read and write English. Research shows that 100,000,000 kids worldwide don’t even make to to first grade, often because there are no schools or teachers available. For the cost of a tablet, that could all change. Previous OLPC studies have also shown that the kids will also teach their parents to read and write as well.

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The Independent Jane For all the love, romance and scandal in Jane Austen’s books, what they are really about is freedom and independence. Independence of thought and the freedom to choose. Elizabeth’s refusal of Mr. Collins offer of marriage showed an independence seldom seen in heroines of the day. Her refusal of Mr. Darcy while triggered by anger showed a level of independence that left him shocked and stunned. The freedom she exhibited in finally accepting him in direct defiance of Lady Catherine and knowing her father would disapprove was unusual even for Austen. In her last book Anne Elliot is persuaded to refuse Captain Wentworth at Lady Russel’s insistence. Although Jane played by the rules of the day, all of her writing is infused with how she wanted life to be. She ‘screams’ her outrage at the limitations for women in Emma. When accosted by Mrs. Elton, Jane Fairfax says, “Excuse me, ma’am, but this is by no means my intention; I make no inquiry myself, and should be sorry to have any made by my friends. When I am quite determined as to the time, I am not at all afraid of being long unemployed. There are places in town, offices, where inquiry would soon produce something — offices for the sale, not quite of human flesh, but of human intellect.” “Oh! my dear, human flesh! You quite shock me; if you mean a fling at the slave-trade, I assure you Mr. Suckling was always rather a friend to the abolition.” “I did not mean, I was not thinking of the slave-trade,” replied Jane; “governess-trade, I assure you, was all that I had in view; widely different certainly, as to the guilt of those who carry it on; but as to the greater misery of the victims, I do not know where it lies.” That same sentiment is emphasized in Emma’s shock when Mrs. Weston tells her of Frank Churchill’s secret engagement to Jane. “Good God!” cried Emma, “Jane actually on the point of going as governess! What could he mean by such horrible indelicacy? To suffer her to engage herself — to suffer her even to think of such a measure!” I find it interesting that at the moment of Austen’s birth or there about, John Adams left his farm in Massachusetts for the Continental Congress in Philadelphia. Doesn’t sound particularly interesting, I know but consider this. John Adams left his home in mid-December 1775 to attend an unprecedented meeting of colonial representatives to consider severing ties with their mother country and her monarch; a decision that culminated in a document unlike any ever written. In the mother country, one day in that same cold December a baby girl was born at Steventon Rectory. Her cry was heard by only the people in the house but the years to come would see her pen create works unlike any the world had ever seen. Comparing Austen’s words with Thomas Jefferson’s may seem a trivialization but I believe that Austen’s impact on the world is no less important than Jefferson’s. The effect of Jane’s writing maybe more subtle than that of the Virginian but it is no less influential. Jefferson’s words instigated and promoted a revolution, a war of independence. Jane’s words had no such excessive consequence. Still in her own quiet, genteel yet powerful way she declared and promoted the same principles of freedom and self-regulated independence as our American forefathers. In all her novels Jane advocates independence of person and thought, the rights of all and acceptance of responsibility for those rights. Jane may not have incited military action as Jefferson did but even as an avowed royalist, I doubt not that Jane Austen firmly believed in his declaration of the right to life, liberty and the pursuit of happiness.

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"GOT NOTHING BUT BLUE SKIES" It is September 19,1783. The place, Lyons, France. Preparations are being made for a journey. A journey that will eventually take man from his secure environment of terra firma, and place him in a hostile environment called the atmosphere. The vehicle to be used is a hot air balloon. The brainchild behind this trek is a wealthy paper maker named Joseph Montgolfier. There has been much speculation over just how Montgolfier made the discovery of the hot air balloon. The most commonly-believed story is that his wife was standing too close to a fire and that the smoke caused her skirt to be inflated and lifted above her knees. This caused Montgolfier to wonder-if this smoke, and its magical lifting powers, could be captured in a very large container, it might rise and lift a passenger along with it. So, Montgolfier went about building the first hot air balloon. In 1783, not much was known about the atmosphere and its effects on human beings. Upon examination of the occupants for any ill effects caused by this lofty height, it was discovered that the duck had a broken wing. Could this have been an effect of exposure to altitude? Actually, several observers noted that as the balloon left the ground, the sheep had an anxiety attack and kicked the duck. Montgolfier reasoned that it would be safe for humans to ascend to altitude. So on November 21, 1783, Jean Francois Pilatre de Rozier (a surgeon) became the first aeronaut and flight surgeon. Over 200 years have passed since that first flight. Technology has allowed us to ascend through the atmosphere and into space, but the hazards of high altitude flight (hypoxia, altitude-induced decompression sickness, and trapped gases) will always be present. That is because humans are best suited to live in what is known as the "physiological efficient zone". This zone extends from sea level to 12,000 feet. When humans are exposed to altitudes above this zone, they are subjected to physiological hazards beyond their natural ability to adapt. One thing to keep in mind is that everything that occupies space and exerts weight is considered to be matter. All matter is made up of atoms and molecules in varying densities. These particles within the matter are kinetic and in constant motion. The slower the motion of the particles, the more dense the matter becomes. Also, as the particles are pushed closer together, the matter also becomes more dense. The best way to slow down kinetic molecules is to cool the matter. The best way to get them to move closer together is to add pressure to the matter. Inversely, when you remove the pressure or heat any material, the molecules within the material moves faster and further apart, thus making the material less dense. The least dense form of matter is, of course, gas. If a gas is cooled and compressed, at some point it will become a liquid. If that liquid is then cooled further, then at some point it will become a solid. Also, when you take the pressure off any gas or liquid, that material will grow less dense and expand. This is essentially what happens to the gaseous molecules of our atmosphere. Our atmosphere contains approximately 79% nitrogen and 21% oxygen, a constant ratio until you reach an altitude of about 270,000 feet. So the question that always comes up is; "If I have 21% oxygen at sea level and 21% at 40,000 feet, why do I succumb to the effects of hypoxia within 20 seconds at that altitude?" The answer is, ATMOSPHERIC PRESSURE! If you could picture all the gaseous nitrogen and oxygen molecules in the atmosphere, they would stack up from the surface of the earth to the fringe of space. All these molecules stacking on top each other create a great deal of weight, or pressure. At sea level, one square-inch of any surface has about 15 pounds of air sitting on top of it. At 18,000 feet, that same square inch has only 7.5 pounds per square-inch (psi) exerted on it. What has caused this atmospheric pressure drop? The answer is simple: There is more air stacked up at sea level than above 18,000 feet, and therefore, more weight. As you recall, when molecules are subjected to this pressure, they are going to move closer together. This will make the air more dense with oxygen and nitrogen molecules. For example, if at sea level you take in a breath of air that has an atmospheric pressure of 15 psi, then that air may contain 500 billion molecules of oxygen (this a fictitious number to be used only as an example); if you go to 18,000 feet and take the same breath where atmospheric pressure is 7.5 psi, then you will pull in only 250 billion molecules of oxygen. But, you require 500 billion per breath to function normally, and you're getting only half of what you need. That's HYPOXIA! Not only do gaseous molecules in the atmosphere expand with reduced total pressure, gases in the human body are also subject to the same expansion. There are several areas in the body- ears, sinuses, lungs, gastro-intestinal tract, and teeth - where these gases can expand and cause a variety of problems. As long as the gas can expand and escape, there will be no problem. But if the gas becomes trapped, then pain will be the usual result. As we have discussed earlier, the air we breathe contains about 79% nitrogen. Nitrogen is inhaled into the lungs and distributed and stored throughout the body. According to gas laws, gases of higher pressure always exert force towards areas of low pressure. When you inhale nitrogen, it will be stored at a pressure of about 12 psi (79% nitrogen) of 15 psi (total atmospheric pressure), equal to about 12 psi). When you ascend to altitude and the pressure around your body begins to drop, this creates a pressure gradient (higher nitrogen in the body than outside the body) and the nitrogen will try to equalize and escape outside the body. Sometimes this nitrogen can leave so quickly and in such quantify that it may form a bubble. If this bubble forms at a body joint, the pain it causes is know as "the bends." These are just a few of the problems that can occur when the human body is exposed to high altitude conditions. These problems will always be there for aviation. But through education and knowledge of the mechanisms that cause these problems, we can take steps toward protection and prevention so that your BLUE SKIES won't give you a case of the blues. by J.R. Brown |ŠAvStop Online Magazine Contact Us Return Home| Grab this Headline Animator

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Here to There: A History of Mapping From the 16th to 18th centuries, many European mapmakers were convinced that California was an island — an Edenic paradise populated by black Amazons. The error persisted for over a hundred years after expeditions had proven that California was, in fact, firmly attached to the mainland. The idea of California as a fierce paradise appealed to Europeans, who were reluctant to let the mundane reality interfere with their vision of the world. So in that spirit, we’re devoting this episode of BackStory to maps — asking what they show us about who we are and and where we want to go. How do maps shape the way we see our communities and our world? What do they tell us about the kind of information we value? And what do they distort, or ignore? Please help us shape this show! Share your questions, ideas and stories below. Have opinions on New York vs. D.C. subway maps? On the merits or shortcomings of Google Maps? And do you even still use old-fashioned, ink-and-paper maps? Leave us a comment!

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Nursing a critically ill state back to health |Indranill Basu Ray highlights the core problems that afflict Bengal's health sector and suggests a few ways to improve the situation| Despite many technological and other achievements that have propelled India from being a developing nation to one of the top economies of the world, one field that India continues to lag behind in is health. This is why stories of babies dying in large numbers haunt newspaper headlines. India is behind Bangladesh and Sri Lanka in life expectancy at birth or under-five mortality level. India accounts for about 17 per cent of the world population, but it contribute to a fifth of the world's share of diseases. A third of all diarrhoeal diseases in the world occurs in India. The country has the second largest number of HIV/AIDS cases after South Africa. It is home to one-fifth of the world's population afflicted with diabetes and cardiovascular diseases. A common excuse that I often hear is that we have limited resources to tackle the huge and burgeoning health problems. But even the richest country on earth, the United States of America, has failed to provide appropriate health services to a large section of the populace. The problem in India is quite different. Apart from being a poor nation with limited resources, it also has a sizeable population in need of basic health services. Furthermore, the lack of appropriate sanitary measures and education ensures an ever increasing presence of communicable disease that have been controlled and even eradicated in the developed nations. India's list of woes does not stop here. Lack of foresight on the part of successive governments and selective and fragmented strategies to counter daily problems without a definite public health goal have been the mainstay of India's health policies. Resource allocation to this sector is influenced by the prevailing fiscal situation as well as by the priorities of the reigning government. Unfortunately, in Bengal — a state that faces a dismal fiscal situation — the government's priorities have been skewed as a result of political necessities. Although we have a new government at the helm, it is important to realize that gross changes at the practical level cannot be initiated without having a team with experience and knowledge define a well-thought-out strategy. It is also essential to have a government that is willing to fulfil the financial needs necessary for the strategy to work. It is difficult, if not impossible, to paint a picture of the present state of public health in West Bengal and to suggest measures to rectify the same in a short article like this. My intention is to highlight the core problems plaguing the system and to suggest solutions based on accepted principles of public health and healthcare management. The steps that need to be taken are as follows: reducing disease burden, including infectious diseases as well as non-communicable epidemics like diabetes mellitus and coronary heart disease; restructuring the existing primary healthcare system to make it more accountable; creating a skilled and professional workforce which is quality driven; financial planning to bring more investment to the health sector. Reducing disease burden is the cornerstone of any good health policy. The factors that help reduce communicable diseases are clean drinking water, improved sanitation and an effective vaccination programme. A paradigm shift, from the prevalent curative approach to a preventive approach, including health promotion by inculcating behavioural changes, is imperative to reduce disease burden. West Bengal is one of four states that urgently needs high investment in safe drinking water and toilet facilities. It is estimated that Rs 18,000 crore is required to provide effective drinking water and sanitation facilities for the entire country. Kerala, Maharashtra, West Bengal and Odisha would account for more than 60 per cent of the total outlay. Similarly, a huge investment is required to provide nutritional supplements to malnourished children and pregnant and lactating mothers living below the poverty line. According to a report by the national commission on macroeconomics and health, West Bengal would need to harness an additional resource requirement of rupees (in crore) 1,286, 2,459, 4,693, 13,811 and 8,485 in sectors such as health, water and sanitation, nutrition, primary schooling and roads. It has been projected that in the next five years West Bengal will spend a large portion of its revenues on wages and salaries, interest payments and pensions, leaving very little for discretionary expenditure in the field of health. It is imperative that the present government rethink and strategize in collaboration with the Centre to ensure the appropriate funding necessary to make the state healthy. Restructuring the present healthcare delivery system is also equally important. Most primary healthcare centres are old, dilapidated buildings with few or no facilities. Some do not even have basic resources like healthcare workers or pharmacists. What is required is a radical overhaul of the existing system. There are differences in health systems of different countries. A State-run health system, such as the one in Canada, suffers from delayed medical care. A privately-run health system like the one in the US provides only limited health services to its poor. India's healthcare should carve out the best of both systems. Private healthcare is thriving in India. It is uncontrolled and aimed at profit-making. Government-run hospitals are poorly managed, providing few or no facilities to those living below the poverty line. Different models have been suggested to take care of this disparity. While private investment will always be geared towards profit-making, it is mandatory to rein in these bodies under well-defined rules. Large private hospitals in the US are non-profit bodies, which have to follow stringent rules in patient care. At the other end of the spectrum is the National Health Service in Britain in which small, medium and even a few large hospitals are making way for a more competent and accountable government-controlled health system with fewer hospitals. Human resource management is very important in running an effective health system. One of the biggest lacunae of government health service is its poor human-resource management. Many physicians are not paid appropriate salaries or are posted in places that are not of their choice. Political intervention and favouritism play a big role in posting physicians. Consequently, dedicated physicians who want to serve the public or work in the academic setting found in government hospitals are forced to remain in private hospitals. To boost morale and efficacy, discipline needs to be instituted in the system and a transparent posting policy adopted. The doctor-population ratio needs to be improved by filling up vacancies in the West Bengal health service. It is important to free postings from the grip of bureaucrats to ensure the registration of quality candidates. Physicians failing to report to duty or indulging in indiscipline must be punished. Doctors who do sign up need to provide relevant and quality medical care. This can only be done if some form of recertification of doctors is made mandatory once every 10 years. Physicians' salaries in the state health service must be made on a par with those of the Central government to make sure that it remains a lucrative option. Senior physicians providing exemplary public service must be rewarded for the same. A commonly-held notion is that most physicians run after the lucrative salaries that are offered in private hospitals. Hence it is difficult to retain them in the government sector. This, however, is true of a minority. The majority of physicians are willing to work in a healthy, progressive and academic environment if there are appropriate non-financial incentives. Let us take the example of Christian Medical College, Vellore. Most of the faculty there are paid salaries that are much lower than those of the private sector. However, physicians are provided with other facilities such as good housing, free schools, free-to-highly-subsidized college education and, most importantly, a progressive and research oriented work environment. West Bengal lags behind many other states when it comes to medical education. There is an urgent need to increase the number of medical colleges in the state. Private investment for the same should be welcomed but appropriate laws must be instituted so that huge capitation fees are not charged for seats. Furthermore, selection should be made through competitive examinations. A certain percentage of seats can be reserved for the economically weaker sections. Students passing out of such medical colleges must be given postings in rural hospitals. This has been true on paper for many decades now, but the rule has been poorly implemented even in government-run medical colleges. Innovative schemes ought to be thought of to involve the cash-rich private sector to service the medical needs of the state. Private institutions using government money or land must be asked to provide free service to 20 per cent of their capacity. Appropriate punitive measures — such as temporarily withholding or cancelling licences — can be taken when a private institution fails to honour this commitment. Institutions willing to set up large hospitals, particularly around Calcutta, must be helped through the provision of low-cost land. But in return, promises to set up satellite hospitals in far-flung district headquarters have to be met. The biggest challenge to the rejuvenation of the healthcare system is the garnering of funds. West Bengal is financially broke, thanks to the misrule of the communists. Unlike most other communist rulers, our home-grown variants failed to provide basic sanitation, good roads, a working healthcare system and appropriate nutritional supplements to women and children. The lack of social services resulted in poor health and in increased mortality among the vulnerable sections of society. Government efforts to improve basic health services must fund programmes that provide sanitation, nutritional supplements, and daily meals for school-going children. Substantial investments in these sectors can reduce mortality in children. It is popular to blame doctors for not being able to save severely ill, malnourished children. But things won't change unless determined steps are taken to root out the problems, such as poor funds, minimal resources and an incompetent workforce, that affect the West Bengal health service. In the next five years, in collaboration with the Centre and the non-government organizations involved in public health, the state government must chalk out a definitive strategy to improve the supply of clean drinking water, provide better sanitation and one full meal to school-going children and arrange for nutritional supplements to pregnant women. Private investment should be wooed in the health sector to set up hospitals in large metropolitan areas as well as in small district towns. While government land is needed at an appropriate price to help investors build hospitals, steps must be taken to bring about the inclusion of the deprived sections in their service plans. Strong regulatory bodies that can monitor private hospitals and nursing homes must be instituted. Many of the profiteering health institutions do not provide basic facilities, lack trained nurses and paramedical staff, and some are even run by quacks without medical degrees. It is of utmost importance that a regulatory body conducts surprise checks on these institutions, registers complaints and takes remedial steps. Many NGOs have been able to set up large projects benefiting thousands of people. They have also succeeded in bringing foreign aid to tackle malaria and HIV. The state government should help these NGOs achieve their goals while exercising control to prevent financial irregularities. Their services ought to be applauded and single-window processing of applications instituted to help them tackle bureaucratic delays. Health is a service industry and not a lucrative business. Unfortunately, in Bengal, most large hospitals are owned by corporates. Only a few are owned or run by doctors. There is thus a sustained effort to make profit. Poor consumer protection makes the man on the street vulnerable to substandard service at high prices. These are trying times for Bengal, after years of mismanagement in the health sector. It is important for the present rulers to rectify the situation by laying down the stepping stones for a better tomorrow. Tuesday, November 22, 2011 Nursing a critically ill state back to health Indranill Basu Ray highlights the core problems that afflict Bengal’s health sector and suggests a few ways to improve the situation

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A “magic” herb, Carissa Edulis, that drew thousands of people to a remote Loliondo village in Tanzania was identified by Kenyan scientists a few years ago as a cure for a drug-resistant strain of a sexually transmitted disease, gonorrhoea. This herb also is believed to cure many other diseases besides gonorrhoea. The Kamba refer to as mukawa or mutote and use it for chest pains, while the Nandi boil the leaves and bark to treat breast cancer, headache and chest pains. Researchers discovered the plant could be used for the treatment of the herpes virus. Led by Dr Festus M Tolo of the Kenya Medical Research Institute (Kemri), the team from the University of Nairobi and the National Museums of Kenya found the herb could provide an alternative remedy for herpes infections. “An extract preparation from the roots of Carissa edulis, a medicinal plant locally growing in Kenya, has exhibited remarkable anti-herpes virus activity for both wild type and drug resistant strains,” they reported in the Journal of Ethnopharmacology.

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The Convention adjourned from July 26th to August 6th to allow the Committee of Detail – composed of John Rutledge of South Carolina, Edmund Randolph of Virginia, Nathaniel Gorham of Massachusetts, Oliver Ellsworth of Connecticut, and James Wilson of Pennsylvania – to prepare a rough draft of a constitution, based on the series of resolutions the delegates had debated, amended, and debated again. When the Convention re-convened, the Committee of Detail presented its report, made up of twenty-three articles. The Convention spent the remainder of August reviewing and further revising these articles. We the People of… Delegates quickly agreed to accept the Committee of Detail’s preamble and Articles I and II, affirming the new government would be called the Unites States of America and consist of Legislative, Executive, and Judicial branches. This agreement masked the critical issue that the Convention had debated throughout – was this to be a union of states or of people? The Committee of Detail’s constitution began, “We the people of the States (emphasis added) of New Hampshire, Massachusetts, Rhode-Island and Providence Plantations, Connecticut, New-York, New-Jersey, Pennsylvania, Delaware, Maryland, Virginia, North-Carolina, South-Carolina, and Georgia, do ordain, declare, and establish the following Constitution for the Government of Ourselves and our Posterity.” The Convention would not end with that language in the preamble. Representation: Who, What, and How Many? Discussion of the Committee of Detail report continued to include the structure and powers of the legislative branch. Some of the key questions included: Who can elect representatives? How many representatives will there be? What will be their qualifications? Delegates debated whether to allow non-land owners to the right to vote for House members, or reserve the franchise to property owners. Gouverneur Morris wanted to restrict voting to those with property, considering them more educated and better able to choose wise leaders. “The ignorant and dependant,” Morris stated, “can be… little trusted with the public interest.” Colonel Mason countered arguments of this kind, saying all citizens should have equal voting rights and privileges. Doctor Franklin sided with Colonel Mason believing that restricting the right to vote to land owners would cause contention among the people. In the end Morris’s proposal to restrict the franchise to property owners was defeated soundly (7-1-1). Just as the Convention rejected a plan to restrict voting to property owners, they also rejected a proposal to restrict elective office to property owners. South Carolina’s Charles Pinckney moved that “the President of the U.S., the Judges, and members of the Legislature should be required to swear that they were respectively possessed of a cleared unencumbered Estate” – in an amount to be agreed upon by members of the Convention. This proposal went nowhere. Benjamin Franklin expressed his “dislike of every thing that tended to debase the spirit of the common people,” and observed that “some of the greatest rogues he was ever acquainted with, were the richest rogues.” Madison reports that Pinckney’s motion “was rejected by so general a no, that the States were not called.” The Convention did have a sentiment in favor of strong citizenship requirements for legislators. The Committee of Detail’s report required members of the House be U.S. citizens for three years prior to election, and members of the Senate for four years. Some, including George Mason and Morris, agreed that a lengthy citizenship requirement would protect the legislature from foreign intrigue. Others, including Madison and Franklin, pointed to the number of foreign friends who had helped the states during the war for independence. Delegates sided with Mason and Morris, agreeing to requirements that members of the House be citizens for seven years and members of the Senate for nine years prior to election. On the question of how many representatives would make up the national legislature, Article IV of the Committee of Detail Report stated that the House of Representatives would initially consist of sixty-five members, and that in the future, members of the House would be added “at the rate of one for every forty thousand.” Madison, expecting the Union to grow rapidly, thought that rate would quickly lead the House to grow too large. Others thought that time would make this issue irrelevant. Mr. Nathaniel Gorham from Massachusetts asked, “Can it be supposed that this vast country including the Western territory will 150 years hence remain one nation? Mr. Oliver Ellsworth observed that “If the government should continue so long, alterations may be made in the Constitution” through the amendment process. Delegates agreed to add the language “not exceeding” to the one representative for 40,000 citizen ratio, making that a ceiling and not a floor. Controversy over this provision would re-emerge before the end of the Convention, however. The Specter of Slavery Likewise, controversy would emerge about slavery. Consideration of the apportionment of representatives raised the question of whether slaves would be included within that ratio. Morris rose on August 8 and gave a withering criticism of the institution. Moving to specify that this ratio would include only “free” inhabitants, Morris called slavery “a nefarious institution,” and “the curse of heaven”. Comparing free with slave states, Morris noted, on the one hand, “a rich and noble cultivation [which] marks the prosperity and happiness of the people,” and on the other “the misery and poverty which overspread the barren wastes of Virginia, Maryland, and the other states having slaves.” Morris’s motion was defeated 10-1, but the issue of how slavery would be addressed by the new union was by no means resolved. For more detailed information on the Constitutional Convention, please visit Prof. Gordon Lloyd’s web companion to the Philadelphia Convention. Posted in Countdown to the Constitution

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The concept of a numbering machine is quite simple. It consists of various wheels inside and all wheels are stamped with numbers. But, what could be done with this? Well, the wheels of a numbering machine can be set and arranged to form a date or various other numbers. Basically numbers machines are used to imprint items with sequential numbers. Over the time, people have been using this type of machine to stamp many different kinds of paperwork. By adjusting the numbers stamped on wheels, you can keep an organized record of your date paperwork and label contracts. Numbering machines are considered as an inevitable stationery in offices or corporations, especially small businesses. They are used for any paperwork that requires to be printed with unique and trackable numbers. It is a way to keep an organized record of whatever you do. There are many applications in an office set up that require sequential numbering, such as purchase orders, invoices, production orders, inventory paperwork, insurance claims, property documents, serial number tags and much more. (more…)

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Did You Know? Facts, Figures & Folklore About Fall / Autumn Sept 18 : 04 days to Fall Did you know that the word autumn comes from the French word, automne? The word came into common usage around the 16th century, before which “harvest” was used to refer to this time of year. The use of harvest fell out of popularity as people gradually began living in towns and working the land became less common. Did you know that Americans colloquially refer to the season between summer and winter as “Fall”? While Brits prefer the more scientific terms “Autumn”! Do you feel that? The crisp morning air is a sure sign that the Fall season is right around the corner. As the days get shorter and the temperatures fall, Autumn heralds its coming with fiery red leaves and bright orange pumpkins. Get yourself ready to fall back into Fall with Holidays on the Net’s fun-filled Autumn trivia. Join us for a new “Did You Know?” fact each day as we countdown to Autumn (Sept 22 @ 11:09 PM EDT)! So stop by again tomorrow.

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In 2006, two scientists announced that they had cooked an egg by placing it in between two cell phones. It has been thrououghly disproven and analyzed since the surface of the claim, but it is still an excellent opportunity to use the Scientific Thinking Principles on! #1: Ruling Out Rival Hypotheses This principle isn't the most relevant because the experiment doesn't exactly prove any hypotheses. But it can still apply to the attempt to cook an egg between two cell phones because there could be other effects causing that outcome. #2: Correlation vs. Causation There are so many other reasons that the egg could've cooked! Maybe it was really hot out? Or the cell phone egg set up was within a microwave? Not the most probable of all possible causations, but it proves the point. There could be many other ways this egg could've cooked (or in actuality, the fact that it didn't cook at all) that we need to examine or at least acknowledge that they could be there. This claim is very out there so it has a really good chance of being able to be falsified. As we will see in #4, after replicating the incident one can find almost instantly that it is in fact a hoax. As many people did, reproducing the egg cooking experiement will prove that it is in fact a hoax. Every reproduction that was prodcued failed to yield the same results as the first, which made everything make sense when the site's webmaster that published the article stepped forward to say it was in fact completely fake. #5: Extraordinary Claims The claim that you can cook an egg with two cell phones is pretty extraordinary yet there is no extraordinary evidence to back it up! In fact, it is just too extraordinary to be real. #6: Occam's Razor In my mind, the simpliest explaination would be that it simply is not true. The end. I'm not going to lie, if this claim was true I would be thrilled. In addition to being in awe of the power of technology, it would make cooking meals for myself in my dorm room a whole lot easier! Unfortunately though, this is a hoax. With the help of the Six Principles of Scientific Thinking, I will never fall for this or any other raw food cooking claim ever again!

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How To Win At Science Fairs (Dec, 1960) How To Win At Science Fairs by Ronald Benrey YOU CAN WIN at a Science Fair as long as one thing interests you more than winning does. This is your project itself. It is going to be judged on scientific thought, creative ability, and presentation. You will really have to know the field your project is concerned with. This takes effort. Since you lack the means of a professional laboratory, you will have to do much with little. This takes trial and error and just plain work. Your presentation must be attractive and clear. This means good workmanship, which takes time and care. You are going to have to show some originality. After all, there is no use doing what everybody else is doing: be different. For this, you have to have the other three under control. By the way, the “laymen” who see your exhibit will ask all kinds of questions. Have good answers at your fingertips. The judges won’t be laymen, and any double-talk will scream to them that you don’t know your subject. It may also make them suspect that the best parts of your project are not your work. This would be unjust, perhaps, but deadly. Now, whether your entry covers a large table top or can just be tucked under your arm, it is going to be a big job. It can’t be left for a “crash program” in the last few weeks before the Fair. It is going to eat up big portions of your time, energy, and spending money for the next several months. All this demands your interest. But it isn’t simply a matter of “fun. ” Licking this challenge may be a turning point in your life. With or without a scholarship prize, your career may begin with it. As a reader of Electronics Illustrated your project will probably deal with electronics or applied physics rather than with biological or earth sciences. Select your topic carefully from a broad subject that really interests you. A massive effort in the direction of a passing fancy will result in a mediocre project at best. Take a limited subtopic that you think worth investigating and that you feel able to handle. To ease financial strain, plan now to build your project over a long period of time, say six months, on a pay-as-you-build basis. Once you have a rough idea of your project’s general form, don’t dash into construction. Visit technical libraries and learn all you can about current professional work in the field, and its technical jargon. This will give you much important information and helpful hints, and when you finally face the judges, you will know your subject. Here is a prickly question. It is up to you to be realistic and honest with yourself when you choose a topic. Your science teachers and advisers will certainly be helpful, but the final decision must be yours. In other words, if you have never handled a soldering iron before, don’t take on a project requiring elaborate electronic instrumentation. If you have enough time you can work up to a complex project by building a few simpler devices, like many described in EI. This is another reason for starting NOW. – Why not get your feet wet by assembling some test equipment from kits? You will certainly need a multimeter anyway, for any project, and it will be something you can use “forever. ” Another touchy subject: discussion of this often scares off good potential science fairers. Nobody requires or expects a science fair project to produce a radical new scientific discovery. However, this does not imply that an entrant can’t find a new angle on an old problem. Merely duplicating a project described in a magazine shows the judges only one thing: the builder can follow directions. The main benefit of entering a science fair is the challenge of thinking a real problem out, all the way through. Your project can be for “demonstration” rather than “research, ” but make sure you come up with fresh, clear, meaningful ways to present your material. Stay away from last year’s winning project: it was good last year. Avoid “staples” (like Tesla coils) unless they are only part of a ‘wider original project. Your project should be well presented and look impressive, but impressive need not mean expensive. Judges seldom look twice at an exhibit loaded down with excess and borrowed equipment when the same results could have been obtained more economically and without false show. Novel use of common materials shows creative ability, and this is an important judging criterion. Remember, how you solved your problem is what counts at a science fair, and not merely that you solved it. Also, neatness counts! Aside from being impossible to troubleshoot, a rat’s nest of wiring is typical of losing projects. Time spent color-coding leads, installing wire harness and cable clamps will result in a much more attractive and more reliable project. But know what you are doing! Don’t harness leads in a circuit that demands point-to-point wiring, or cable grid and plate leads together in an amplifier circuit. Read up on layout and construction techniques, and allow yourself time to make and correct mistakes. Prior planning will also pay off in dollars and cents, since you can save by purchasing some components (like resistors) in quantity, and if you live near a big city you can shop around for some items in the military surplus stores, modifying your design if necessary to take odd-value components. Now, sit back and start your thinking. The time to start is right now. IS YOUR WINNING PROJECT HERE? RADIO TELESCOPE: Home-built sensitive low-noise receiver, simple antenna system. Try to make simple “radio map.” GUIDANCE SYSTEM: For model ear. Can be programmed to run around science fair grounds without hitting anything, or to reach pre-chosen destination. SOLAR CELLS: Home-built unit as part of demonstration of basic physics of solar cells: display on recent professional research results: off-beat practical applications (eyeglass type hearing aid?). MOON MOUSE: “To be landed on the Moon. ” Self-propelled, radio controlled from Earth, instrumented and transmitter equipped. Some functions solar powered ? These are only suggestions. You may come up with ideas regarding fuel cells, space communications, navigation, etc.

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With the development of science and technology, computer has become more and more popular in our daily life, which is intended to be a part of our life. But at the same time it also brings the safety problem, because increasing number of bad people would like to break into computer systems to steal the secret information. It seems that computer safety has been a serious problem by now. Maybe you could learn something about the safety terms in Microsoft so that you could adopt the different methods according to different cases. What is malware? In fact malware, short for “malicious software”, is any kind of software which is installed without your complete permission and is not in need at all.The famous malware areviruses, worms, and Trojan horses, which are almost known to us all. Even though you are not familiar with them, you must have heard of it at ordinary times. If you want to protect your computer from the malware, you could make sure that the automatic updating is turned on all the time to get the latest updates. 2 antispyware software Antispyware software helps protect your computer, and prevent the pop-ups, slow performance, and security threats caused by spyware and other adverse software. Every computer user must keep antispyware software up to date in order to keep in touch with the latest spyware. Aimed at protecting our computer, we could use Microsoft Security Essentials, free download software, to be against spyware and other malicious software. A firewall is used to help screen out hackers, viruses, and worms that try to attack your computer through the Internet.In fact, if you are the one who use the computer at home, the most efficient and important step is to enable firewall when you start your computer. A virus will slip through and infect you; the only effective way by protecting yourself is using a firewall. A firewall monitors your Internet connections and allows you to specify which programs are allowed to connect and which are not. 4 antivirus software Antivirus software is a kind of computer program which can be used to test, defend, and take actions to remove or delete malicious software program. As we all know, computer virus is some programs, which can specially disturb computer operation. So we should update antivirus software in regular time to prevent against the latest virus. 5 Windows password Besides the above mentioned software, you could have an alternative at the same time, namely Windows password. With a password like this, you can prevent your privacy from being let out or being viewed. Of course you should set up a Windows password reset disk to set the password reset in case that you forget it. As a computer user, you should have a general knowledge of these safety terms so that you can protect your computer better. And with these terms, your computer can be protected better than that without them. In a word, please have a brief understanding of them in the first place, and then you could know how important they are.

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Ever wondered what white tea is? Why we call it white anyway? Here are a few interesting facts about white tea, made from the plant Camellia sinensis: - White tea is similar to green tea in that it has undergone little processing and no fermentation whatsoever. - The leaves are harvested before they open fully, when the unopened buds are still covered by thin silvery white hair. Hence the white tea name. - White tea has a subtle and slightly sweet flavor that sharpens the senses without overwhelming the tongue, whereas green tea has a “grassy” taste. - There is 25% to 30% less caffeine in white tea than in green tea, though it depends on the variety. - White tea health benefits are the highest among the tea family¹. - It is more expensive than green or black tea because white tea is scarcer. Yet, at Savorique, white tea is as cheap as black or green tea. Note 1: Science Daily “”White Tea Could Keep You Healthy and Looking Young”", (August 14, 2009) and Science Daily “”White Tea Beats Green Tea In Fighting Germs”", (May 28, 2004).

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http://blog.savorique.com/tag/white-tea-health-benefits/

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en

.8grams X kilogram of body weight/day How to convert pounds into kilograms: #pounds/2.2 = kg For example someone who weighs say 110 would be 50kg. So we take 50kg and multilpy that by .8gm and they should be getting about 40 grams of protein a day. Low protein diets can result in weak bones, muscle wasting, and decrease in time for wounds to heal. Protein is essential in the diet and having enough is very important especially if you are exercising. When you are working with weights and building muscle adequate protein intake is essential in building those muscles. If you are taking a protein supplement in powder try to find one that does not have any added saturated or transaturated fats. There are some protein supplements out there that are made for gaining weight so they will have additional calories and fats in them. So make sure you read the label and everything says 0 except the protein. This brand is an excellent choice and very safe : Just remember to read label and consult with your doctor if it is safe for you to take a protein supplement. The following foods are excellent sources of protein: - cottage cheese - nuts and seeds - soy beans - Greek yogurt Make sure at every meal you have a protein, a healthy carbohydrate(whole wheat or whole grain), and good fat. (monounsaturated fats) Keep your meals and snacks balanced so you can stay full and not feel hungry throughout the day.

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http://blog.themaddiet.com/2012/02/protein-and-why-it-is-important.html

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Our opinion: Fostering better nutrition is a key to reducing public health costs. That makes the scarcity of large grocery stores in some urban neighborhoods, especially poor ones, a matter of public policy. It’s easy, and comforting, to assume that in an modern, industrialized nation, everyone eats well. Surely with programs like food stamps, even needy people are doing OK, right? More than 40,000 people in Albany and Schenectady live in what are known as food deserts — places where a grocery store is at least a mile away. Many are poor. The U.S. Department of Agriculture estimates that about 3,700 of the more than 23,000 people in Albany who don’t live near a large grocer are poor. In Schenectady, about 5,400 of the more than 19,000 people for whom a supermarket trip is more like a trek are low income. Moreover, those estimates were based largely on information gathered before a recession that has made even more people poor. That’s not just an inconvenience. It’s a public health issue in a society where the problems associated with poor nutrition and obesity are linked to the growing cost of public health care. One suggestion for alleviating the problem comes from the American Cancer Society, which is reviving the controversial idea of a tax on soda and other sugar-sweetened drinks. The group suggests using the tax to help fund and evaluate child obesity programs. An even more productive use might be to devote a portion of such a tax to local efforts to lure larger grocery stores to urban neighborhoods that don’t have them now. It would seem doubtful, though, that the state Legislature will be any more inclined to implement a soda tax than it was last year, when it refused to do so even with the prospect of raising $400 million in new revenue and even with the urging of the state health commissioner and then-Gov. David Paterson. That doesn’t mean it’s not worth trying for a soda tax — encouraging kids in particular to cut back on sugary beverages is not a bad goal at all, nor is raising funds that could be used to promote a healthier citizenry. But the more likely reality is that New York and communities will have to find ways to do something about poor nutrition and food deserts without the help of a soda tax. Here’s one direction: Since last March, Capital District Community Gardens has been supplying nine convenience stores and markets with fresh produce under a five-year, $175,000-a-year grant from the state Health Department that also helps underwrite fitness programs. Veggie Mobile Sprout, as this program is called, delivers produce twice a week at wholesale prices, enabling urban stores in Albany and Schenectady to sell fresh food at supermarket rates and offer something better than their typical fare of often fattening and less nutritious processed food. The program’s goal is to become self-sustaining. How many more ideas to promote healthy and affordable food choices are there that might perhaps benefit from some initial public investment or other support? Why not make identifying and nurturing those ideas part of the mission of local community development or economic development entities? Funding for such programs would not be handouts; beyond improving nutrition and reducing obesity with a long-term eye toward reducing public health costs, they would help get greater value out of the public assistance that goes to people in low-income neighborhoods. Sounds like a shopping cart full of public interest to us.

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http://blog.timesunion.com/opinion/green-up-%E2%80%A8urban-deserts/16365/

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Yesterday’s House passage of cap-and-trade legislation designed to confront climate change is a landmark achievement, the first tangible step taken by the country that emits more greenhouse gas per capita than anyone in the world. The bill itself still faces a tough test in the Senate. Passage is far from assured, and without similar actions by other major emitting countries, it won’t mean much. But it does finally demonstrate to the rest of the world that the United States is prepared to do its part, which puts the pressure on them to follow suit. The bill itself, the product of a thousand political compromises, also isn’t perfect. But it also isn’t what its hysterical opponents claim it is. As Bryan Walsh acknowledges in Time: … critics have vastly overstated the likely cost. In fact, they’re all but lying. During the House debate, Republican whip Eric Cantor, using numbers from an American Petroleum Institute study, said that the bill would eventually cost more than $3,000 per family per year — but those numbers assume that billions of tons worth of inexpensive carbon offsets won’t be available under the bill, which would significantly inflate the overall cost. That’s not going to happen. A more reliable study from the nonpartisan Congressional Budget Office forecast that the bill would cost the average U.S. household $175 in higher energy costs annually by 2020 — and other studies estimate that the energy-efficiency provisions in the bill might even save Americans money over time. When opponents are forced to lie so blatantly — in this case exaggerating the likely cost 17 times over — they don’t have much of an honest argument.

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http://blogs.ajc.com/jay-bookman-blog/2009/06/27/passage-of-climate-change-bill-a-landmark-achievement/?cp=all

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Just as there are many variants and forms of electronic malware and Internet-based threats around the globe, so there are many forms of protection against these threats. Signature-based detection is one of the multifarious forms of defense that have been developed in order to keep us safe from malicious content. Although signature-based detection can be argued to have been overshadowed by more sophisticated methods of protection in some environments, it remains as a core ‘technique’ featuring in the anti-virus controls of packages and suites that work to protect a user’s system today. How does signature-based detection work? Signature-based detection works by scanning the contents of computer files and cross-referencing their contents with the “code signatures” belonging to known viruses. A library of known code signatures is updated and refreshed constantly by the anti-virus software vendor. If a viral signature is detected, the software acts to protect the user’s system from damage. Suspected files are typically quarantined and/or encrypted in order to render them inoperable and useless. Clearly there will always be new and emerging viruses with their own unique code signatures. So once again, the anti-virus software vendor works constantly to assess and assimilate new signature-based detection data as it becomes available, often in real time so that updates can be pushed out to users immediately and zero-day vulnerabilities can be avoided. Next-generation signature-based detection New variants of computer virus are of course developed every day and security companies now work to also protect users from malware that attempts to disguise itself from traditional signature-based detection. Virus authors have tried to avoid their malicious code being detected by writing “oligomorphic“, “polymorphic” and more recently “metamorphic” viruses with signatures that are either disguised or changed from those that might be held in a signature directory. Despite these developments, the Internet at large does of course still function on a daily basis. Populated as it is by users who not only have up to date security software installed, but also by those who have educated themselves as to the type of risks discussed here.

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http://blogs.avg.com/business/signature-based-detection/

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en