日期:2011-04-17 Easy-to-follow recipes for radioactive compounds like those found in nuclear fuel storage pools, liquid waste containment areas and other contaminated aqueous(水的) environments have been developed by researchers at Sandia National Laboratories. T... 阅读全文>>

日期:2011-04-17 A series of new guidelines for cardiac(心脏的) specialists has been developed to determine when heart failure patients should receive a mechanical heart-pumping device. The new guidelines will likely affect who is referred for a mechanical circula... 阅读全文>>

日期:2011-04-15 A team led by Professor Andre Geim, a recipient of the 2010 Nobel Prize for graphene, can now show that electric current a flow of electrons can magnetise(使磁化) graphene. The results, reported in Science, could be a potentially huge breakthrough... 阅读全文>>

日期:2011-04-15 Battling an illness, lack of sleep and strange surroundings can make any hospital patient feel out of sorts(心情不佳,身体不适) . For seniors, hospitalizations actually may cause temporary memory loss and difficulty in understanding discharge inst... 阅读全文>>

日期:2011-04-15 Using eyes made of a calcium carbonate(碳酸钙) crystal, a simple mollusk(软体动物) may have evolved enough vision to spot potential predators, scientists say. The three-inch-long mollusks, called chitons(石鳖) , have hundreds of eye-like struc... 阅读全文>>

日期:2011-04-14 Some 2.6 million third trimester(晚期妊娠) stillbirths(死产) worldwide occur every year, according to the first comprehensive set of stillbirth estimates, published today within a special series in the medical journal The Lancet. Every day more... 阅读全文>>

日期:2011-04-14 A combination of forest byproducts and crustacean(甲壳纲动物) shells may be the key to removing radioactive materials from drinking water, researchers from North Carolina State University have found. As we're currently seeing in Japan, one of the... 阅读全文>>

日期:2011-04-14 High oil prices and environmental and economic security concerns have triggered interest in using algae-derived oils as an alternative to fossil fuels. But growing algae(海藻) or any other biofuel source can require a lot of water. However, a new... 阅读全文>>

日期:2011-04-13 In the past several years, newspaper readership(读者人数) has shrunk in the tough economic climate, particularly among females. Many have criticized common news writing style used by newspapers as a possible cause for the decline. Now, researchers... 阅读全文>>

日期:2011-04-13 Natural gas extracted from shale(页岩) formations has a greater greenhouse gas footprint - in the form of methane(甲烷) emissions - than conventional gas, oil and coal over a 20 year period. This calls into question the logic of its use as a cli... 阅读全文>>

日期:2011-04-13 Results of the first randomized, placebo-controlled long-term clinical trial show the investigational drug safinamide may reduce dyskinesia(运动障碍) or involuntary movements(非随意运动) in mid-to-late stage Parkinson's disease. The findings wil... 阅读全文>>

日期:2011-04-13 You can't see them, or smell them or taste them. They can be in our water and in our food, multiplying so rapidly that conventional testing methods for detecting pathogens(病原体) such as E.coli, Salmonella and Listeria come too late for the tens... 阅读全文>>

日期:2011-04-13 Pigeons may not instill(灌输,滴注) the same aura(光环,气味) of fear as a Tyrannosaurus rex, but they inherited their sense of smell from such prehistoric killers. Birds are known more for their flying abilities and their senses of vision and b... 阅读全文>>

日期:2011-04-13 Drinking alcohol primes certain areas of our brain to learn and remember better, says a new study from the Waggoner Center for Alcohol and Addiction Research at The University of Texas at Austin. The common view that drinking is bad for learning and... 阅读全文>>

日期:2011-04-11 Storing fruits and vegetables in ozone-enriched environments reduces spoilage(损坏,糟蹋) explains a scientist at the Society for General Microbiology's Spring Conference in Harrogate. Dr Ian Singleton explains how ozone treatment could be a safe,... 阅读全文>>

日期:2011-04-11 C.S. Lewis, the famous author and Oxford academic, once proclaimed You can't get a cup of tea big enough or a book long enough to suit me. We sip it with toast in the morning, enjoy it with sweets and biscuits in the afternoon, and relax with it at... 阅读全文>>

日期:2011-04-11 The Antarctic Peninsula has warmed rapidly for the last half-century or more, and recent studies have shown that an adjacent(临近的) area, continental West Antarctica, has steadily warmed for at least 30 years, but scientists haven't been sure why... 阅读全文>>

日期:2011-04-11 The benefits of blueberry consumption have been demonstrated in several nutrition studies, more specifically the cardio-protective benefits derived from their high polyphenol(多元酚) content. Blueberries have shown potential to have a positive eff... 阅读全文>>

日期:2011-04-09 As humans face increasing distractions(分心,干扰) in their personal and professional lives, University of British Columbia researchers have discovered that people can gain greater control over their thoughts with real-time brain feedback. The stu... 阅读全文>>

日期:2011-04-09 A newly sequenced bacterial genome from a team led by the Department of Energy's Oak Ridge National Laboratory could contain clues as to how microorganisms produce a highly toxic form of mercury(水银) . Methylmercury(甲基水银) , a potent human n... 阅读全文>>

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