日期：2013-04-02 Earth is dynamic. What we perceive as solid ground beneath our feet, is in reality constantly changing. In the space of a year Africa and America are drifting apart at the back of the Middle Atlantic for some centimeters while the floor of the Pacif... 阅读全文>>

日期：2013-04-02 For the first time, an elusive step in the process of human DNA replication has been demystified by scientists at Penn State University. According to senior author Stephen J. Benkovic, an Evan Pugh Professor of Chemistry and Holder of the Eberly Fam... 阅读全文>>

日期：2013-04-02 Pharmaceuticals commonly found in the environment are disrupting streams, with unknown impacts on aquatic（水生的） life and water quality. So reports a new Ecological Applications paper, which highlights the ecological cost of pharmaceutical waste... 阅读全文>>

日期：2013-04-02 Amazing news for lazy people; sleep makes you smarter. Not studying, reading or revising, just sleeping, although the other three won't hurt either. A joint study conducted by Harvard Medical School and the University of Pennsylvania found that shut... 阅读全文>>

日期：2013-03-29 Northwestern Medicine scientists have identified a component of the herpesvirus（疱疹病毒） that hijacks machinery inside human cells, allowing the virus to rapidly and successfully invade the nervous system upon initial exposure. Led by Gregory Smi... 阅读全文>>

日期：2013-03-29 Like tiny, crawling compass needles, whole living cells and cell fragments orient and move in response to electric fields -- but in opposite directions, scientists at the University of California, Davis, have found. Their results, published April 8... 阅读全文>>

日期：2013-03-29 Messier 77 is a galaxy in the constellation of Cetus, some 45 million light-years away from us. Also known as NGC 1068, it is one of the most famous and well-studied galaxies. It is a real star among galaxies, with more papers written about it than... 阅读全文>>

日期：2013-03-29 Swarms of robots acting together to carry out jobs could provide new opportunities for humans to harness the power of machines. Researchers in the Sheffield Centre for Robotics, jointly established by the University of Sheffield and Sheffield Hallam... 阅读全文>>

日期：2013-03-28 The genome of the mountain pine beetle -- the insect that has devastated B.C.'s lodgepole pine（美国黑松） forests -- has been decoded by researchers at the University of British Columbia and Canada's Michael Smith Genome Sciences Centre. This is a... 阅读全文>>

日期：2013-03-28 Higher temperatures in cities can be a key driver of insect pest outbreaks on trees in urban areas, according to research published March 27 in the open access journal PLOS ONE by Emily Meineke from North Carolina State University and colleagues fro... 阅读全文>>

日期：2013-03-28 A strain of probiotic bacteria（益生菌） that can fight harmful bacterial infections in poultry（家禽） has the ability to change its coat, according to new findings from the Institute of Food Research. The probiotic is currently being taken forward... 阅读全文>>

日期：2013-03-28 Almost all foodstuffs contain the genetic material of those animal and plant species that were used in their preparation. Scientists at the Institute of Molecular Genetics, Genetic Security Research and Consulting at Johannes Gutenberg University Ma... 阅读全文>>

日期：2013-03-28 Two new studies have highlighted a negative impact on bees' ability to learn following exposure to a combination of pesticides commonly used in agriculture. The researchers found that the pesticides, used in the research at levels shown to occur in... 阅读全文>>

日期：2013-03-28 More than 80 genetic 'spelling mistakes' that can increase the risk of breast, prostate and ovarian cancer have been found in a large, international research study within the framework of the EU network COGS. For the first time, the researchers also... 阅读全文>>

日期：2013-03-27 Excess carbon dioxide in Earth's atmosphere created by the widespread burning of fossil fuels is the major driving force of global climate change, and researchers the world over are looking for new ways to generate power that leaves a smaller carbon... 阅读全文>>

日期：2013-03-27 Supernovae were always thought to occur in two main varieties. But a team of astronomers including Carnegie's Wendy Freedman, Mark Phillips and Eric Persson is reporting the discovery of a new type of supernova called Type Iax. This research has bee... 阅读全文>>

日期：2013-03-27 Solar cells are just like leaves, capturing the sunlight and turning it into energy. It's fitting that they can now be made partially from trees. Georgia Institute of Technology and Purdue University researchers have developed efficient solar cells... 阅读全文>>

日期：2013-03-27 Despite some very high-profile female candidates and elected officials, and what looks like a changing landscape of U.S. politics, a new study conducted by American University professor and director of its Women and Politics Institute Jennifer L. La... 阅读全文>>

日期：2013-03-27 Researchers from Lund University and the University of Oxford have been able to provide one answer as to why males in many species still provide paternal care, even when their offspring may not belong to them. The study finds that, when the conditio... 阅读全文>>

日期：2013-03-27 A new study in the journal Geology is the latest to tie a string of unusual earthquakes, in this case, in central Oklahoma, to the injection of wastewater deep underground. Researchers now say that the magnitude 5.7 earthquake near Prague, Okla., on... 阅读全文>>