In the News
Ancient Blood Found On Sculptures From Kingdom Of Mali
Scientists are reporting for the first time that sculptors from the fantastically wealthy ancient Empire of Mali -- once the source of almost half the world's gold -- used blood to form the beautiful patina, or coating, on their works of art. They describe development of a new, noninvasive test that accurately identifies traces of blood apparently left on ancient African artifacts used in ceremonies involving animal sacrifices. Study Links Low Selenium Levels With Higher Risk Of Osteoarthritis
People without enough selenium in their bodies face a higher risk of knee osteoarthritis, a first-of-its-kind new study suggests.University of North Carolina at Chapel Hill Thurston Arthritis Center medical scientists and colleagues conducted the research. It focused on the knees of 940 participants enrolled in the Johnston County (N.C.) Osteoarthritis Project, a continuing, federally supported investigation of osteoarthritis that began 15 years ago and is headquartered at UNC. Q&A: Iran's Nuclear Stand-off
Answers to questions related to Iran's November 2004 agreement to suspend the enrichment of uranium "as requested by the UN nuclear agency the International Atomic Energy Agency (IAEA)."Part of a series of articles, analysis, and background information on the "Iran nuclear crisis."From the British Broadcasting Corporation (BBC). Designing An Ultrasensitive 'Optical Nose' For Chemicals
A laser-based method for identifying a single atom or molecule hidden among 10 trillion others soon may find its way from the laboratory to the real world. Terri Schiavo Case: Legal Issues Involving Healthcare Directives, Deat
Compilation of documents and links to information about the court case involving Terri Schiavo, the Florida patient whose feeding tube was removed in March 2005. Topics include legal documents, living wills, the lawyers involved, related cases, power of attorney and health care directives, and commentary. Includes links to related sites. From FindLaw. Joe Janes, the Internet Public Library’s founding director, discusse
link: http://www.youtube.com/watch?v=sbf9brsPew0 Lava Lamp-Like Process Caused World's Largest Zinc Deposit
For more than two decades, geologists have scoured the ores and rocks surrounding the world's largest zinc deposit at Red Dog, Alaska, for clues as to how this giant ore body formed. In some zinc deposits elsewhere, volcanic activity was responsible for bringing metals to the upper levels of the Earth's crust. But at Red Dog, which lies about 85 miles north of the Arctic Circle, there are no obvious signs of volcanic activity to explain the presence of so much zinc. Researchers Discover RNA Repair System In Bacteria
Researchers have discovered the first RNA repair system to be discovered in bacteria. The novelty of the newly discovered bacterial RNA repair system is that, before the damaged RNA is sealed, a methyl group is added to the two-prime hydroxyl group at the cleavage site of the damaged RNA, making it impossible to cleave the site again. Thus, the repaired RNA is "better than new." Drinking Tap Water During Pregnancy Does Not Affect Unborn Fetus, Stud
Are disinfection by-products (DBPs) in drinking water harmful to an unborn fetus? According to a study in the November issue of the American Journal of Epidemiology, drinking water DBPs -- in the range commonly encountered in the U.S. -- do not affect fetal survival. Techniques Available To Detect Soil That Inhibits Destructive Soybean
Identification of soils that inhibit a tiny soybean-destroying organism is an important tool in reducing yield losses, according to a Purdue University plant pathologist.
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