日期：2009-11-20 Maternal depression（沮丧，萧条） can worsen asthma（哮喘） symptoms in their children, according to research from Johns Hopkins Children's Center published online in the Journal of Pediatric Psychology. Analyzing data from interviews with 262 mothe... 阅读全文>>

日期：2009-11-18 Are ladybugs（瓢虫） being overtaken by wasps? A Universit de Montral entomologist（昆虫学者） is investigating a type of wasp（黄蜂，胡蜂） (Dinocampus coccinellae) present in Quebec that forces ladybugs (Coccinella maculata) to carry their larvae... 阅读全文>>

日期：2009-11-18 If you feel like you're in a losing battle with a triple-chocolate cake, a mental budget can help, according to a new study in the Journal of Consumer Research. There are some behaviors that consumers try to limit but have trouble doing so, write au... 阅读全文>>

日期：2009-11-18 Until recently, scientists believed that, following a stroke, a patient had about six months to regain any lost function. After that, patients would be forced to compensate for（弥补，赔偿） the lost function by focusing on their remaining abilities... 阅读全文>>

日期：2009-11-18 Brain imaging can offer a window into risk for diseases such as Alzheimer's disease (AD). A study conducted at the University of Kansas School of Medicine demonstrated that genetic risk is expressed in the brains of even those who are healthy, but c... 阅读全文>>

日期：2009-11-18 Hardening of the arteries（动脉） has been detected in Egyptian mummies, some as old as 3,500 years, suggesting that the factors causing heart attack and stroke are not only modern ones; they afflicted（苦恼，折磨） ancient people, too. Study result... 阅读全文>>

日期：2009-11-14 Many parents of preschoolers（学龄前儿童） struggle with their children's fears of real and imaginary creatures. A new study offers some ideas on how they can better manage their children's worries. The study, which was carried out by researchers at... 阅读全文>>

日期：2009-11-14 Removing the PKCI/HINT1 gene from mice has an anti-depressant-like and anxiolytic（抗焦虑药）- like effect. Researchers writing in the open access journal BMC Neuroscience applied a battery of behavioral tests to the PKCI/HINT1 knockout animals, con... 阅读全文>>

日期：2009-11-14 Curiosity plays a big part in preschoolers'（学龄前儿童） lives. A new study that explored why young children ask so many why questions concludes that children are motivated by a desire for explanation. The study, by researchers at the University of... 阅读全文>>

日期：2009-11-14 Rosetta passed over the ocean, just South of the Indonesian island of Java, at exactly 08:45:40 CET, at a speed of 13.34 km/s with respect to（关于，至于） Earth an an altitude（高度，海拔） of 2481 km. The swingby was pre-planned and fully automate... 阅读全文>>

日期：2009-11-13 The calculation of variations（变更） in the sea level is relatively simple. It is by far more complicated to then determine the change in the water mass. A team of geodesists（测地学） and oceanographers（海洋学家） from the University of Bonn, as... 阅读全文>>

日期：2009-11-13 Scientists at the University of York have discovered how certain bacteria（细菌） such as Escherichia coli（大肠杆菌） have evolved to capture rare sugars from their environment giving them an evolutionary advantage in naturally competitive environm... 阅读全文>>

日期：2009-11-13 Malfunctioning（不正常工作） circadian clock（昼夜节律钟） genes may be responsible for bipolar disorder（躁郁症，两极性异常） in children. Researchers writing in the open access journal BMC Psychiatry found four versions of the regulatory gene RORB... 阅读全文>>

日期：2009-11-13 For almost 10 years we have tried to find out what distinguishes（区别，辨别） stars with planetary systems（行星系） from their barren（不育的，贫瘠的） cousins, says Garik Israelian, lead author of a paper appearing this week in the journal Nature... 阅读全文>>

日期：2009-11-13 People constantly make complex decisions, from the more mundane（现世的，世俗的） which restaurant to go to for dinner or which movie to go seeto the more profound（深奥的，深厚的） whether to have kids or not. Now, a new study published online on N... 阅读全文>>

日期：2009-11-13 Satellite observations and a state-of-the art regional atmospheric model have independently confirmed that the Greenland ice sheet is loosing mass at an accelerating（加速的，促进的） rate, reports a new study in Science. This mass loss is equally d... 阅读全文>>

日期：2009-11-13 In an advance that could help ease health and environmental concerns about the emerging nanotechnology industry, scientists are reporting development of technology for changing the behavior of nanoparticles in municipal sewage（城市污水） treatment... 阅读全文>>

日期：2009-11-13 A team of scientists at Cold Spring Harbor Laboratory (CSHL) reports on Thursday their success in solving the molecular structure of a key portion of a cellular receptor（细胞内受体） implicated in Alzheimer's, Parkinson's, and other serious illness... 阅读全文>>

日期：2009-11-13 Scientists at the University of Adelaide have made a breakthrough that could change the world's thinking on what light is capable of. The researchers in the University's new Institute for Photonics Advanced Sensing (IPAS) have discovered that light... 阅读全文>>

日期：2009-11-13 Spurred by a warming climate, daily record high temperatures occurred twice as often as record lows over the last decade across the continental United States, new research shows. The ratio（比，比率） of record highs to lows is likely to increase dr... 阅读全文>>