In the News
The Foliage Network Reports from over 500 "foliage spotters"in three regions in the U.S. (northeast, southeast, and midwest) will guide you to the best viewing areas for the spectacular color change of autumn leaves. Maps and reports for each region are updated twice weekly during September, October, and November. Includes photos and links to places to stay and things to do in each region. Why We Learn From Our Mistakes Psychologists have identified an "early warning signal"in the brain that helps us avoid repeating previous mistakes. Their research identifies, for the first time, a mechanism in the brain that reacts in just 0.1 seconds to things that have resulted in us making errors in the past. Shorter Colds, Milder Flu May Follow From Newly Revealed Immune Mechan Enlisted to help fight viral infections, immune cells called macrophages consume virus-infected cells to stop the spread of the disease in the body. Now researchers at Washington University School of Medicine in St. Louis have uncovered how macrophages keep from succumbing to the infection themselves. Boosting this mechanism may be a way to speed recovery from respiratory infections.
Blood-vessel Blocker Aids Cancer-killing Virus Cancer-killing viruses are a promising therapy for incurable brain tumors, but their effectiveness has been limited in part because immune cells rapidly eliminate them. That immune response might be slowed, and the virus given more time to kill cancer cells, by blocking the growth of blood vessels in the tumor, new research suggests. The study indicates that pretreatment with a drug that blocks blood-vessel growth might improve the effectiveness of cancer-killing viruses. Stress Increases Cocaine Addiction Anyone who sniffs cocaine once has a 15 to 20% likelihood of becoming addicted to this hard drug. Why does the recreational user only try it once whereas another person becomes physically and mentally dependent on the drug? Researchers have now found a possible explanation in the effect of stress hormones. New Species Of Coral Discovered Off Southern California A new species of black coral has been discovered off southern California, including around the Channel Islands, by Milton Love, University of California, Santa Barbara marine researcher, and Mary Yoklavich of NOAA Fisheries. The discovery came during dives by the researchers in "Delta,"the submersible. UNC Scientists Develop Promising New Assay For Studying Cancer-causing Scientists at the University of North Carolina at Chapel Hill and colleagues have developed a new microscopic assay that, for the first time, allows them to see DNA breaks in chromosomes in living cells following damage to those complex, gene-filled structures. Exercise Has No Effect On Risk Of Knee Osteoarthritis, Study Finds A new study examined the effects of physical activity over a long period in older adults, many of whom were overweight, and found that exercise neither protects against nor increases the risk of knee OA. Brain Activity Differs For Creative And Noncreative Thinkers Why do some people solve problems more creatively than others? Are people who think creatively different from those who tend to think in a more methodical fashion? Scientists found a distinct pattern of brain activity, even at rest, in people who tend to solve problems with a sudden creative insight -- an "Aha! Moment"-- compared to people who tend to solve problems more methodically. Mayo Clinic Researchers Invent 'Hitchhiking' Viruses As Cancer Drug De A Mayo Clinic research team has devised a new virus-based gene therapy delivery system to help fight cancer. Researchers say their findings will help overcome hurdles that have hindered gene therapy cancer treatments.
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