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Unraveling the Silky Spider Web Web-making spiders employ a host of silk glands to synthesize a variety of silk filaments with different mechanical properties. Although it is widely believed that the aciniform glands are one such silk factory, there has been no hard evidence linking aciniform-derived proteins and silk -- until now. Researchers have now found that the aciniform gland in the black widow spider manufactures and extrudes a previously unidentified protein that is a component of multiple types of silk. Freedom Flight: Black South African Kid's Homemade Paraglider Leads to South African Cyril Mazibuko is a professional paraglider, one of the few black practitioners of a predominantly white sport. After seeing gliders in the air as a kid, he makes a glider out of plastic bags and baling wire, catches the attention of the pros, and flies in the face of apartheid. SEVI and HIV Kicking off my SpectroscopyNOW ezine updates this week with an item on how NMR may have unravelled why some people are more susceptible to catching HIV than others. Then there is the MRI work that shows that for obese people BMI (body mass index) is a very poor indicator of heart disease risk based on [...]SEVI and HIV is a post from: Sciencebase Science Blog Top 11 Warmest Years On Record Have All Been In Last 13 Years Preliminary global temperature figures show that the top 11 warmest years have all occurred in the last 13 years. The provisional data currently places 2007 as the seventh warmest on records back to 1850. A Sampling of New Words and Senses From the New 2005 Copyright of Merr "Find a sample of the nearly 100 new words and senses that have been added"in 2005 to this well-known dictionary of American English. Terms include "cybrarian (noun) ... a person whose job is to find, collect, and manage information that is available on the World Wide Web." Medium-sized Polyps Yield Significant Number Of Advanced Adenomas And According to a University of Pittsburgh-led study published in the December issue of Gastroenterology, medium-sized polyps found in the colon with flexible sigmoidoscopy and subsequently evaluated by full colonoscopy are associated with a significant number of advanced adenomas (high-risk polyps) and cancers. Trapp Family History Brief history of the Austrian von Trapp family, which was featured in the Broadway musical "The Sound of Music."The site includes information about Maria von Trapp, the musical, and the German and Hollywood movies. Includes photographs. Also includes links to related sites. From a lodge in Vermont, the president of which is the youngest of the Trapp children. Major Shift In Investments Crucial To Responding To Climate Change, UN Tackling climate change in the next quarter century will require major changes to patterns of investment and financial flows, according to a recently released report by the United Nations Framework Convention on Climate Change. The study analyzed both existing and potential investment and financial flows relevant to developing an international response to climate change.It found that the additional amount of investment and financial flows in 2030 will amount to between 1.1 and 1.7 per cent of global investment. Another key finding of the study is that $200 to $210 billion worth of additional investment and financial flows will be necessary to return greenhouse gas emissions to current levels. Study Proposes New Method To Investigate Genetic Hybridization Hybridization is most likely to occur in recently evolved species, yet these are the species in which it is most difficult to detect owing to strong genetic similarity deriving from their recently shared ancestry. In the July 2005 issue of The American Naturalist, Peter Grant and colleagues propose a method that teases out an effect on their genetic similarity due to hybridization, based on the fact that sympatric populations can exchange genes whereas allopatric populations cannot. Largest-ever database for liver proteins may lead to treatments for he Scientists in China are reporting for the first time assembly of the largest-ever collection of data about the proteins produced by genes in a single human organ. Their focus was the liver, and their massive database in both protein and transcript levels could become a roadmap for finding possible new biomarkers and treatments for liver disease. Those include hepatitis and liver cancer, which is at epidemic levels in China and affects millions of people worldwide.
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