日期：2014-01-22 Exposing skin to sunlight may help to reduce blood pressure and thus cut the risk of heart attack and stroke, a study published in the Journal of Investigative Dermatology suggests. Research carried out at the Universities of Southampton and Edinbur... 阅读全文>>

日期：2014-01-22 Exposure to a widely used pesticide causes worker bumblebees to grow less and then hatch out at a smaller size, according to a new study by Royal Holloway University of London. The research, published today in the Journal of Applied Ecology, reveals... 阅读全文>>

日期：2014-01-22 Scientists from the Montreal Neurological Institute and Hospital in Canada have discovered that two genes linked to hereditary（遗传的） Parkinson's disease are involved in the early-stage quality control of mitochondria（线粒体） . The protective m... 阅读全文>>

日期：2014-01-22 Concussions（震荡，冲撞） are common among middle-school girls who play soccer, and most continue to play with symptoms, according to a study by John W. O' Kane, M.D., of the University of Washington Sports Medicine Clinic, Seattle, and colleagues.... 阅读全文>>

日期：2014-01-22 For patients in the early stages of multiple sclerosis (MS), low levels of vitamin D were found to strongly predict disease severity and hasten its progression, according to a new study led by Harvard School of Public Health (HSPH) investigators in... 阅读全文>>

日期：2014-01-22 A breakthrough using data from the Gaia-ESO project has provided evidence backing up theoretically predicted divisions in the chemical composition of the stars that make up the Milky Way's disc -- the vast collection of giant gas clouds and billions... 阅读全文>>

日期：2014-01-22 Extreme weather events fueled by unusually strong El Ninos, such as the 1983 heatwave that led to the Ash Wednesday bushfires in Australia, are likely to double in number as our planet warms. An international team of scientists from organizations in... 阅读全文>>

日期：2014-01-22 Given a choice, male dyeing poison frogs snub empty pools in favor of ones in which their tiny tadpoles（蝌蚪） have to metamorphose（变形） into frogs in the company of larger, carnivorous ones of the same species. The frog fathers only choose to d... 阅读全文>>

日期：2014-01-18 You might not think of microbes when you consider biodiversity, but it turns out that even a moderate loss of less than 5% of soil microbes may compromise（妥协，危害） some key ecosystem functions and could lead to lower degradation of toxins in th... 阅读全文>>

日期：2014-01-18 Middle-aged men who drink more than 36 grams of alcohol, or two and a half US drinks per day, may speed their memory loss by up to six years later on, according to a study published in the January 15, 2014, online issue of Neurology, the medical jou... 阅读全文>>

日期：2014-01-18 When one encounters a group of fruit flies invading their kitchen, it probably appears as if the whole group is vying（争夺） for a sweet treat. But a closer look would likely reveal the male flies in the group are putting up more of a fight, partic... 阅读全文>>

日期：2014-01-18 The capacitors（电容） of electronic circuits function something like batteries -- storing electrical charge that can be quickly dumped to power devices like camera flashes. So-called supercapacitors take the energy-storing abilities of capacitors a... 阅读全文>>

日期：2014-01-18 Prehistoric shell mounds found on some of Florida's most pristine（原始的） beaches are at risk of washing away as the sea level rises, wiping away thousands of years of archaeological evidence. The largest risk for these ancient treasure troves（无... 阅读全文>>

日期：2014-01-18 Thousands of chemicals serving a variety of human needs flood into sewage treatment plants once their use life has ended. Many belong to a class of chemicals known as CECs (for chemicals of emerging concern), which may pose risks to both human and e... 阅读全文>>

日期：2014-01-18 Researchers using custom-built GPS and accelerometer loggers, developed with funding from the Engineering and Physical Sciences Research Council, (EPSRC), and attached to free-flying birds on migration, have gained ground-breaking insights into the... 阅读全文>>

日期：2014-01-18 Humans and some of our hominid（人类及其祖先的） ancestors such as Homo erectus have been walking for more than a million years, and researchers are close to figuring out how we do it. It's never been completely clear how human beings accomplish the... 阅读全文>>

日期：2014-01-18 A new species of toad was discovered hiding in the leaf litter（落叶层） of the Peruvian Yungas. The word is used widely by the locals to describe ecoregion（生态区域） of montane（山地森林的） rainforests, and translates as warm valley in English.... 阅读全文>>

日期：2014-01-18 Patients with fibromyalgia syndrome ( FMS纤维肌痛综合症 ) typically have widespread chronic pain and fatigue. For those with low vitamin D levels, vitamin D supplements can reduce pain and may be a cost-effective alternative or adjunct（附属的） to... 阅读全文>>

日期：2014-01-18 From the sleek（圆滑的） hulls of racing yachts to Michael Phelps' shaved legs, most objects that move through the water quickly are also smooth. But researchers from UCLA have found that bumpiness（崎岖不平） can sometimes be better. A properly des... 阅读全文>>

日期：2014-01-16 The world's zoos work hard and spend enormous resources on the conservation of endangered species, but the resources are not always optimally spent. One big problem is international legislation and the need of more zoos to work in regional or global... 阅读全文>>