日期：2014-05-08 The power of genome-wide association studies (GWAS) to detect genetic influences on human disease can be substantially increased using a statistical testing framework reported in the May issue of the journal GENETICS. Despite the proliferation of GW... 阅读全文>>

日期：2014-05-08 Scientists have used state-of-the-art imaging techniques to examine the cracks, fractures and breaks in the bones of a 150 million-year-old predatory dinosaur. The University of Manchester researchers say their groundbreaking work - using synchrotro... 阅读全文>>

日期：2014-05-08 The discovery of an ancient ring-like structure in southern Alberta suggests the area was struck by a meteorite（陨星） large enough to leave an eight-kilometre-wide crater, producing an explosion strong enough to destroy present-day Calgary, say re... 阅读全文>>

日期：2014-05-08 Researchers have some bad news for future farmers and eaters: As carbon dioxide levels rise this century, some grains and legumes（豆类） will become significantly less nutritious than they are today. The new findings are reported in the journal Nat... 阅读全文>>

日期：2014-05-08 Emotions like fear, anger, sadness, and joy enable people to adjust to their environment and react flexibly to stress and strain and are vital for cognitive processes, physiological reactions, and social behaviour. The processing of emotions is clos... 阅读全文>>

日期：2014-05-08 Move over, Matrix -- astronomers have done you one better. They have created the first realistic virtual universe using a computer simulation called Illustris. Illustris can recreate 13 billion years of cosmic evolution in a cube 350 million light-y... 阅读全文>>

日期：2014-05-07 Chimpanzees have almost the same personality traits as humans, and they are structured almost identically, according to new work led by researchers at Georgia State University. The research also shows some of those traits have a neurobiological basi... 阅读全文>>

日期：2014-05-07 An international team of researchers has, for the first time, identified an avian influenza virus in a group of Adlie penguins from Antarctica. The virus, found to be unlike any other circulating avian flu, is described in a study published this wee... 阅读全文>>

日期：2014-05-07 A team of U.K. researchers has developed a way to dramatically reduce the complexity of modeling bistable（双稳定的） systems which involve the interaction of two evolving species where one changes faster than the other (slow-fast systems). Describe... 阅读全文>>

日期：2014-05-07 Common belief is that yawning（打哈欠） helps to increase the oxygen supply. However, previous research has failed to show an association between yawning and blood oxygen levels. New research by a team of researchers led by Psychologist Andrew Gallu... 阅读全文>>

日期：2014-05-07 Neutron stars, the extraordinarily dense stellar bodies created when massive stars collapse, are known to host the strongest magnetic fields in the universe -- as much as a billion times more powerful than any human-made electromagnet. But some neut... 阅读全文>>

日期：2014-05-07 A study of concussion（冲击，脑震荡） patients using diffusion tensor imaging ( DTI弥散张量成像 ) found that males took longer to recover after concussion than females did. Results of the study, which show that DTI can be used as a bias-free way to... 阅读全文>>

日期：2014-05-04 Oil and gas development activities, including underground disposal of wastewater and hydraulic（液压的） fracturing, may induce earthquakes by changing the state of stress on existing faults to the point of failure. Earthquakes from wastewater dispo... 阅读全文>>

日期：2014-05-04 New research by scientists at the University of York sheds light on how bacteria exploit human proteins during infections. A research team led by Professor Jennifer Potts, a British Heart Foundation Senior Research Fellow in York's Department of Bio... 阅读全文>>

日期：2014-05-04 Observations of insects and their feeding marks on leaves in modern forests confirm indications from fossil leaf deposits that the diversity of chewing damage relates directly to diversity of the insect population that created it, according to an in... 阅读全文>>

日期：2014-05-04 In the movies, humans often fear invaders from Mars. These days, scientists are more concerned about invaders to Mars, in the form of micro-organisms from Earth. Three recent scientific papers examined the risks of interplanetary exchange of organis... 阅读全文>>

日期：2014-05-04 The periodic table of the elements is to get crowded towards its heaviest members. Evidence for the artificial creation of element 117 has recently been obtained at the GSI Helmholtz Centre for Heavy Ion Research, an accelerator laboratory located i... 阅读全文>>

日期：2014-05-03 A cyber buddy might just give exercise enthusiasts -- and those who are less than enthused -- the extra nudge they need during a workout, new research suggests. 一项新的研究显示，一个虚拟伙伴可以让锻炼热爱者，还有那些不那么狂热的锻炼者，在锻炼过程中... 阅读全文>>

日期：2014-05-02 University of Adelaide researchers have discovered that stem cells taken from teeth can grow to resemble brain cells, suggesting they could one day be used in the brain as a therapy for stroke. In the University's Centre for Stem Cell Research, labo... 阅读全文>>

日期：2014-05-02 The human body produces chemical cues that communicate gender to members of the opposite sex, according to researchers who report their findings in the Cell Press journal Current Biology on May 1. Whiffs of the active steroid ingredients (androstadi... 阅读全文>>