In the News
Number Of Women Living With HIV Increases In Each Region Of The World
A new report released today shows that the number of women living with HIV has risen in each region of the world over the past two years, with the steepest increases in East Asia, followed by Eastern Europe and Central Asia. In East Asia, there was a 56% increase over the past two years, followed by Eastern Europe and Central Asia with 48%. Life On Mars? New Data Reveal Places To Search
Data freshly gathered by the Mars Express mission and analyzed by a team of scientists, including Brown University professor John Mustard, offer new insight into the mineral composition of Mars. New research, published online by the journal Science, points out promising places to search for evidence of past life. Thriving Hybrid Salamanders Contradict Common Wisdom
A new study not only has important findings for the future of California tiger salamanders, but also contradicts prevailing scientific thought about what happens when animal species interbreed. They found that more of the hybrid young survived in the wild than did young of the native or the introduced species -- quite a surprise, since animal hybrids are usually less fit than their parents ("hybrid vigor"is largely limited to plant crosses). Atherosclerosis Studied At The Cellular Level
Study finds that nitric oxide, normally considered a "good player"in protection against atherosclerosis, could sometimes be converted into a toxic byproduct with a detrimental impact on cell viability and function. Anticlotting Drug Found To Be Safe In Sickle Cell Patients, Study Sugg
An intravenous "blood thinner"widely used in patients with acute coronary syndromes and during coronary artery stent placement appears to be safe in patients with sickle cell disease and may have beneficial anti-inflammatory effects, a small study has found. Investing in Gold
This overview of gold markets and investing discusses forms of investment (such as bullion bars and coins, mining shares, and options), the leading gold coins (with images of the coins), and outlets for the purchase of gold. Includes statistics and links to information about gold production and uses, and gold prices back to 1833. From the National Mining Association, a U.S. mining industry organization. NASA Flying Wing Model Soars In Historic Wind Tunnel
Ask anyone what an airplane looks like and most will tell you a tube with wings. NASA researchers are trying to expand that image. They're testing a design for a flying wing, called a blended wing body. Technicians have installed a five-percent scale model of a blended wing body in the Langley Full-Scale Tunnel at NASA's Langley Research Center in Hampton, Va. During tests in the tunnel's huge 30X60 foot test section, pilots "flew"the 12-foot wingspan, 80-pound model. Toward A Rosetta Stone For Microbes'Secret Language
Scientists are on the verge of decoding the special chemical language that bacteria use to "talk"to each other, British researchers report. That achievement could lead to new treatments for antibiotic-resistant bacteria, including so-called superbugs that infect more than 90,000 people in the United States each year, they note. Less Invasive Surgery Effective In Treatment Of Reflux Disease
Laparoscopic (minimally invasive) surgery to treat severe reflux disease was effective in relieving symptoms and was associated with high rates of patient satisfaction five years after the procedure, according to a study in the October issue of Archives of Surgery, one of the JAMA/Archives journals. Why Do Insects Stop 'Breathing'? To Avoid Damage From Too Much Oxygen,
A new study investigating the respiratory system of insects may have solved a mystery that has intrigued physiologists for decades: why insects routinely stop breathing for minutes at a time.
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