日期：2011-03-21 Direct experience of extreme weather events increases concern about climate change and willingness to engage in energy-saving behaviour, according to a new research paper published in the first edition of the journal Nature Climate Change this week.... 阅读全文>>

日期：2011-03-21 You may remember the color of your loved one's eyes for years. But how? Scientists believe that long-term potentiation（增强作用） (LTP) the long-lasting increase of signals across a connection between brain cells -- underlies our ability to remembe... 阅读全文>>

日期：2011-03-21 With intensity a million times brighter than sunlight, a new synchrotron（同步加速器） -based imaging technique offers high-resolution pictures of the molecular composition of tissues with unprecedented speed and quality. Carol Hirschmugl, a physici... 阅读全文>>

日期：2011-03-18 Life expectancy in Europe keeps increasing despite the obesity epidemic, with people in Britain reaching an older age than those living in the US, according to an analysis of trends over the last 40 years. These striking findings counteract（抵消，... 阅读全文>>

日期：2011-03-18 The psychological impact of natural disasters such as the Japan earthquake can be revealed in the way people inherently（内在地） respond to unpredictable situations, according to a psychology expert at Queen Mary, University of London. Dr Magda Osm... 阅读全文>>

日期：2011-03-18 Plants are continually exposed to herbivore（食草动物） attack. To defend themselves, they have developed sophisticated chemical defense mechanisms. Plants of the mustard family, such as thale cress (Arabidopsis thaliana), produce glucosinolates (mu... 阅读全文>>

日期：2011-03-18 As spring continues to unfold on Saturn（土星） , April showers on the planet's largest moon, Titan, have brought methane（甲烷） rain to its equatorial（赤道的） deserts, as revealed in images captured by NASA's Cassini spacecraft. This is the firs... 阅读全文>>

日期：2011-03-17 It is no surprise to scientists that the largest social network on the web is called Facebook. Identifying people by their face is fundamental to our social interactions, one of the primary reasons vision researchers are trying to find out how our b... 阅读全文>>

日期：2011-03-17 The National Institute of Standards and Technology (NIST) has released its final report on its study of the June 18, 2007, fire at the Sofa Super Store in Charleston, S.C., that trapped and killed nine firefighters, the highest number of firefighter... 阅读全文>>

日期：2011-03-17 Once thought to exclusively inhabit its namesake（名义，同名物） mountain range, the threatened Andean cata house cat-sized feline（猫科动物） that resembles a small snow leopard in both appearance and habitatalso frequents the Patagonian steppe（大... 阅读全文>>

日期：2011-03-17 A gene therapy called NLX-P101 dramatically reduces movement impairment in Parkinson's patients, according to results of a Phase 2 study published today in the journal Lancet Neurology. The approach introduces a gene into the brain to normalize chem... 阅读全文>>

日期：2011-03-16 From 1965 to 2007, the population prevalence of persons who smoked 20 or more cigarettes per day declined significantly, and there was also a decrease in the prevalence of smoking 10 or more cigarettes a day, with these declines greater in Californi... 阅读全文>>

日期：2011-03-16 Its head looks like a turkey, its body resembles a chicken now scientists can explain why one of the poultry（家禽） world's most curious specimens has developed such a distinctive look in next week's issue of the online, open access journal PLoS Bi... 阅读全文>>

日期：2011-03-16 If the latest theory of Tom Weiler and Chui Man Ho is right, the Large Hadron Collider the world's largest atom smasher（核粒子加速器） that started regular operation last year could be the first machine capable causing matter to travel backwards in... 阅读全文>>

日期：2011-03-15 Astronomers using NASA's Hubble Space Telescope have ruled out（排除，取消） an alternate theory on the nature of dark energy after recalculating the expansion rate of the universe to unprecedented accuracy. The universe appears to be expanding at a... 阅读全文>>

日期：2011-03-15 Unusually low temperatures in the Arctic ozone layer have recently initiated massive ozone depletion（消耗，枯竭） . The Arctic appears to be heading for a record loss of this trace gas（微量气体） that protects the Earth's surface against ultraviol... 阅读全文>>

日期：2011-03-15 Researchers from Boston University School of Medicine (BUSM) have found that for the majority of patients with opioid（类鸦片） addiction, collaborative care with nurse care managers is a successful method of service delivery while effectively utili... 阅读全文>>

日期：2011-03-14 Scientists are collaborating on a new international research project to identify antibiotics that can kill tuberculosis and fight resistant strains. We want to accelerate the discovery of new compounds that can be turned into effective drugs, said P... 阅读全文>>

日期：2011-03-14 Although universal prenatal supplementation with iron is recommended, an extra intake of iron does not noticeably benefit pregnant women, except when they are anemic（贫血的） . This was observed by researchers of the Institute of Tropical Medicine... 阅读全文>>

日期：2011-03-14 Nanoscale whiskers（胡须，腮须） from sea creatures could grow human muscle tissue Minute whiskers of nanoscale dimensions taken from sea creatures could hold the key to creating working human muscle tissue, University of Manchester researchers have... 阅读全文>>