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Mystery Behind How Nuclear Membrane Forms During Mitosis Solved Just how a dividing cell rebuilds the nuclear envelope, the protective, functional wrapping that encases both the original and newly copied genetic material, has been a source of controversy for the last 20 years. The answer matters because the architecture established during formation of the envelope is regarded as key to future regulation of gene expression. Craft Online companion to a print magazine that provides ideas and instructions for modern crafting activities. Features selected articles (such as instructions for making chain mail jewelry and programmable LED clothing), a blog with more inspirations and projects, and links to tutorials. Cause Of Debilitating Skin Condition Suggested New findings suggest why some people with kidney failure can develop a rare tightening and swelling of the skin and other organs, including the lungs and heart. A particular enzyme could explain how exposure to contrast agents used during a magnetic resonance imaging (MRI) could result in nephrogenic systemic fibrosis (NSF). Scientists Solve Mystery Of The 'Unicorn' Whale Once the subject of mythical accounts of magical power, the helix-shaped tusk of the narwhal, or "unicorn"whale has proved to be an extraordinary sensory organ, according to a team of researchers from Harvard University, the Smithsonian Institution, and the Paffenbarger Research Center of the American Dental Association Foundation at the National Institute of Standards and Technology. The team's results were presented Dec. 13 at a technical conference in San Diego. HispanSource: Hispanic Market Info This site provides links to "credible, objective, and relevant information on the U.S. Hispanic/Latino market. ... From Hispanic consumer behavior to demographic information, from Hispanic media to community events, HispanSource will help you get the data you need for successful plans and strategies."Includes ratings and links to research and white papers pertaining to the United States Hispanic population, Hispanic associations and organizations, and more. From the James J. Hill Reference Library. Requires free registration. National Scholastic Press Association (NSPA) "In 1921, NSPA began helping students and teachers improve their publications. ... We help students become better reporters, writers, editors, photographers, designers, desktop publishers, and advertising and business staffers. We help advisers as well."The site features news, articles on trends in high school media (such as censorship and publishing potentially misleading advertisements), information about contests and conventions, and links to related sites. Long-term Increase In Rainfall Seen In Tropics NASA scientists have detected the first signs that tropical rainfall is on the rise with the longest and most complete data record available. Climate scientists predict that a warming trend in Earth's atmosphere and surface temperatures would produce an accelerated recycling of water between land, sea and air. Warmer temperatures increase the evaporation of water from the ocean and land and allow air to hold more moisture. Eventually, clouds form that produce rain and snow. Mathematical Simulation May Help Ease Airport Congestion Researchers at Purdue University have created a mathematical simulation that could be used in a new national strategy to ease airport congestion and improve the overall transportation system. MBL Study Shows How Good Cholesterol Provides Human Immunity To Certai For years biomedical researchers have known that high density lipoproteins, commonly called HDLs or "good cholesterol,"are responsible for protecting humans from certain parasites, but couldn't explain how. Now MBL scientists have discovered that human HDLs work this bug-repelling magic by serving as a platform for the assembly and delivery of two naturally occurring proteins that combine to create a super-toxic antimicrobial. Traveling Exhibitions: Augustus F. Sherman: Ellis Island Portraits 190 This site provides information about an exhibit of photographs by "a registry clerk at Ellis Island in the years 1905-1920. This untrained, yet highly gifted photographer created hundreds of images documenting the new arrivals to America."The site includes an exhibit schedule with dates from 2005-2009, information about the accompanying book, and selected photos, showing sitters wearing "elaborate national costumes or folk dress."From the Aperture Foundation.
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