日期：2012-02-22 If you're a left brain thinker, chances are you use your right hand to hold your cell phone up to your right ear, according to a new study from Henry Ford Hospital in Detroit. The study finds a strong correlation between brain dominance and the ear... 阅读全文>>

日期：2012-02-22 Is fructose（果糖） being unfairly blamed for the obesity epidemic? Or do we just eat and drink too many calories? Researchers from St. Michael's Hospital reviewed more than 40 published studies on whether the fructose molecule itself causes weight... 阅读全文>>

日期：2012-02-22 Thawing（融化） permafrost will have far-reaching ramifications（分枝，分叉） for populated areas, infrastructure and ecosystems. A geographer from the University of Zurich reveals where it is important to confront the issue based on new permafrost... 阅读全文>>

日期：2012-02-22 New images from NASA's Lunar Reconnaissance Orbiter (LRO) spacecraft show the moon's crust（外壳） is being stretched, forming minute valleys in a few small areas on the lunar surface. Scientists propose this geologic（地质的） activity occurred les... 阅读全文>>

日期：2012-02-22 A strain of the potentially deadly antibiotic-resistant bacterium known as MRSA has jumped from livestock to humans, according to a new study involving two Northern Arizona University researchers. Paul Keim, Regents' professor and director of NAU's... 阅读全文>>

日期：2012-02-22 Some of Ireland's oldest inhabitants are facing serious threat and possible extinction because of foreign species, according to researchers at Queen's University. The red squirrel, Irish hare and red deer are just some of Ireland's indigenous（本土... 阅读全文>>

日期：2012-02-22 Astronomers using NASA's Chandra X-ray Observatory have clocked the fastest wind yet discovered blowing off a disk around a stellar-mass black hole. This result has important implications for understanding how this type of black hole behaves. The re... 阅读全文>>

日期：2012-02-22 A small population of rattlesnakes（响尾蛇） that already is in decline in southern Illinois faces a new and unexpected threat in the form of a fungus rarely seen in the wild, researchers report. The eastern massasauga rattlesnake (Sistrurus catenat... 阅读全文>>

日期：2012-02-21 A study of mothers and their young babies by neurologists at the University of California, San Francisco (UCSF) has shown that mothers who suffer migraine headaches（偏头痛） are more than twice as likely to have babies with colic（疝气） than mothe... 阅读全文>>

日期：2012-02-21 Pulsars（脉冲星） , superdense neutron stars, are perhaps the most extraordinary physics laboratories in the Universe. Research on these extreme and exotic objects already has produced two Nobel Prizes. Pulsar researchers now are poised to learn oth... 阅读全文>>

日期：2012-02-21 In a remarkable feat（功绩，壮举） of micro-engineering, an international team of researchers, including physicists at the University of New South Wales in Australia, have created a working transistor consisting of a single atom placed precisely in... 阅读全文>>

日期：2012-02-21 Aggressive infections in hospitals are an increasing health problem worldwide. The development of bacterial resistance is alarming. Now a young Danish scientist has found a natural substance in a Chilean rainforest plant that effectively supports th... 阅读全文>>

日期：2012-02-16 Prions（小蛋白粒） , the much-maligned proteins most commonly known for causing mad cow disease, are commonly used in yeast to produce beneficial traits in the wild. Moreover, such traits can be passed on to subsequent generations and eventually bec... 阅读全文>>

日期：2012-02-16 By adding an incredibly thin coating of alumina（氧化铝） to a metal surface, researchers at the Georgia Institute of Technology have doubled the rate that heat travels from a solid surface -- such as a pot on a stove -- into the liquid in the pot.... 阅读全文>>

日期：2012-02-16 In the beginning was the word -- yes, but where exactly? Last year, Quentin Atkinson, a cultural anthropologist at Auckland University in New Zealand, proposed that the cradle of language could be localized in the southwest of Africa. The report, wh... 阅读全文>>

日期：2012-02-16 Scientists at Washington University School of Medicine in St. Louis have made a surprising discovery about the origin of diabetes. Their research suggests that problems controlling blood sugar -- the hallmark of diabetes -- may begin in the intestin... 阅读全文>>

日期：2012-02-15 A person has a tumor removed from her femur（大腿骨） . A soldier is struck by an improved explosive device and loses a portion of his tibia（胫骨） . A child undergoes chemotherapy for osteosarcoma（骨肉瘤） but part of the bone dies as a result. E... 阅读全文>>

日期：2012-02-15 Members of the modern workforce might be surprised to learn that if they use the word weekend in a workplace email, chances are they're sending the message up the org chart. The same is true for the words voicemail, driving, okay -- and even a choic... 阅读全文>>

日期：2012-02-15 Women with advanced degrees in math-intensive academic fields drop out of fast-track research careers primarily because they want children not because their performance is devalued or they are shor tchanged（欺骗 ） during interviewing and hiring, a... 阅读全文>>

日期：2012-02-15 Though cellphones are usually considered devices that connect people, they may make users less socially minded, finds a recent study from the University of Maryland's Robert H. Smith School of Business. Marketing professors Anastasiya Pocheptsova an... 阅读全文>>