In the News
Greenhouse Gas From English Streams Adding To Global Warming, Expert S
A common plant in English streams helps methane generated by bacteria in the sediment beneath the plants to escape into the atmosphere. The plant also causes a build-up of sediment from neighboring farmland, which aids the production of methane by bacteria in the stream. Higher Social Skills Are Distinctly Human, Toddler And Ape Study Revea
Apes bite and try to break a tube to retrieve the food inside while children follow the experimenter's example to get inside the tube to retrieve the prize, showing that even before preschool, toddlers are more sophisticated in their social learning skills than their closest primate relatives, according to a new report. Security Alarm Systems
Discussion of home security alarm systems, including whether they actually prevent burglaries, elements of a security system (basic and additional items such as smoke detectors and closed circuit TV), costs, monitored and unmonitored systems, choosing an alarm company, response time, false alarms, and related topics. From a national insurance company. Brighter Model For Global Warming: Some Pollutants Actually Slow Warmi
Environmental chemist Scot Martin has made surprising findings on the effect of the particles responsible for acid rain on the amount of solar energy reaching the Earth's surface. If his research is correct, ammonium sulfate particles in the atmosphere act as tiny mirrors, reflecting sunlight back into space. Carving New Frontiers For Ion-Beam Technology
An ion-beam system that simultaneously combines focused beams of electrons and positive ions promises to improve the versatility, efficiency, and economy of this important technology. The new system was developed by researchers at the Department of Energy's Lawrence Berkeley National Laboratory, who report its principles and applications in the November 8, 2004 issue of Applied Physics Letters. Potential New Target For Skin Cancer Treatment
When normal skin cells become a melanoma tumor, they sometimes turn on genes not usually found in the skin. According to researchers at the University of Virginia Health System, some of these genes are normally active in the male testis at the time sperm are formed. The genes, called cancer-testis antigens, could be useful targets for drugs that could selectively kill a melanoma tumor, while sparing the rest of the body's tissues. Potweb: Ceramics Online at the Ashmolean Museum
"The Ashmolean, Britain's oldest public museum, has one of the finest collections of ceramics in the world."The PotWeb site "has focused on the Museum's superb collection of medieval and later ceramics. As funding becomes available, PotWeb will expand."The site features selected images of items from the collection, such as Anglo-Saxon pottery, English delftware and stoneware, and Islamic and Japanese ceramics. From the University of Oxford, Ashmolean Museum. SciFi Scoop
Users of the old Sci-FiToday site should edit their bookmarks, update their blogs and homepages and check out the science writing community now thriving at www.SciScoop.com. All contributions welcome. High Doses Of Vitamin E Boost Rat Survival Rate 40%; Brain Function, N
Two-year-plus study shows vitamin E supplementation from week 28 increased male rats' median lifespan 40% and maximal lifespan 17%, "a delay in the almost linear decay in mice survival."Subjects' performance in neuromuscular and exploratory tests increased significantly at both 52 and 78 weeks. Brain alpha-tocopherol content increased 2.5-fold while offsetting the decline of various mitochondrial functions by 37%-66%. Results were described as supporting the "free radical"theory of aging and related "specificity"concept. Mayo Clinic Researchers Announce Promising Next Generation Treatments
The combination of two pills -- thalidomide and dexamethasone -- may be an effective alternative to the intravenous chemotherapy commonly prescribed to patients with multiple myeloma, according to a large collaborative study conducted by the Eastern Cooperative Oncology Group and led by a Mayo Clinic investigator. More than 15,000 Americans are diagnosed
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