In the News
Skin's Pigment Cells Can Be Formed From Completely Different Cells Tha The skin's pigment cells can be formed from completely different cells than has hitherto been thought, a new study from Sweden shows. The results also mean the discovery of a new kind of stem cell. Good, Bad And Indifferent: Jelly Beans Can Reveal How Consumers Evalua We each have that one flavor of jelly bean -- the one that we can consume endlessly in one sitting. Yet, there is another flavor that we eject from our mouths as soon as we taste it. Still, there are flavors that don't seem to illicit any significant responses whatsoever. Taken separately, eating jelly beans can be a very simple story: good, bad or indifferent. However, when we combine the three experiences into one, how do we rate the overall taste experience? Sound Waves Save Roads Every year European roads are built and repaired to the tune of several billion Euros. Intensive efforts are underway all over the world to get 'more road for your money' by developing better methods for both design and quality control of materials. One problem is that today there are no good methods for checking how robustly and safely the roads were built. Therefore they often don't last as long as they were supposed to and more money has to go to road construction. But now a young scientist has developed a method where sound waves can reveal what a road looks like underneath and thereby show whether it is being properly built. Alloy Of Hydrogen And Oxygen Made From Water Researchers have used X-rays to dissociate water at high pressure to form a solid mixture -- an alloy -- of molecular oxygen and molecular hydrogen. The work, by a multi-institutional team that includes Russell Hemley and Ho-kwang Mao of Carnegie's Geophysical Laboratory, appears in the October 27 issue of Science. The Baby Name Wizard: NameVoyager NameVoyager "is an interactive portrait of America's name choices. Start with a 'sea' of nearly 5000 names. Type a letter, and you'll zoom in to focus on how that initial has been used over the past century. Then type a few more letters, or a name. Each stripe is a timeline of one name, its width reflecting the name's changing popularity. If a name intrigues you, click on its stripe for a closer look." Nanotech surprise An unexpected finding could be instrumental in making nanoscale materials with a range of applications in gene and drug delivery, enzymatic synthesis, and encapsulation systems for biosensors. Here's Comes The Sun: International Heliophysical Year To Examine Sun- The International Heliophysical Year has officially begun (Feb. 19, 2007) -- two years dedicated to a better understanding of the how the Sun affects the Earth and the other planets in the Solar system. The Sun produces the solar wind -- a stream of charged particles that blows across the planets of the solar system, including the Earth. While the Earth's magnetic field protects us from most of the effects of the solar wind, we still experience the consequences of massive events on the Sun, both as a threat to satellites and power systems and as the beautiful aurora seen at the poles. Ski Area Citizens' Coalition This organization grades western U.S. ski resorts on their environmental policies and practices. Provides information about impacting roadless areas, logging in old growth forests, purchasing clean energy, using cleaner fuel, and other environmental topics for ski resorts in California, Colorado, Idaho, Montana, Nevada, New Mexico, Oregon, Utah, Washington, and Wyoming. Tuberculosis-prevention Therapy Is Cost-effective Option, Researchers Researchers have found that the cost of preventive antibiotic tuberculosis therapy for patients infected by human immunodeficiency virus is generally less expensive than the reported cost of treating newly confirmed TB cases. Polar bear droppings advance superbug debate Scientists investigating the spread of antibiotic-resistant superbugs have gone the extra mile for their research -- all the way to the Arctic. Researchers found little sign of the microbes in the droppings of polar bears that have had limited or no contact with humans, suggesting that the spread of antibiotic resistance genes seen in other animals may be the result of human influence.
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