日期：2014-02-24 Selecting a Chevy Volt, Tesla Model S, Nissan Leaf -- or one of many other new models -- shoppers in the United States bought more than 96,000 plug-in electric cars in 2013. That's a tiny slice of the auto market, but it's up eighty-four percent fro... 阅读全文>>

日期：2014-02-24 On Jan. 28, 2014, NASA's Interface Region Imaging Spectrograph, or IRIS, witnessed its strongest solar flare since it launched in the summer of 2013. Solar flares are bursts of x-rays and light that stream out into space, but scientists don't yet kn... 阅读全文>>

日期：2014-02-24 Food-finding tests in five lemur species show that fruit-eaters may have better spatial memory than lemurs with a more varied diet. The results support the idea that relying on foods that are seasonally available and far-flung gives a competitive ed... 阅读全文>>

日期：2014-02-23 Researchers at UCL have studied the behaviour of the Sun's coronal mass ejections, explaining for the first time the details of how these huge eruptions behave as they fall back onto the Sun's surface. In the process, they have discovered that coron... 阅读全文>>

日期：2014-02-23 The next time you want to turn down the emotional intensity before making an important decision, you may want to dim the lights first. A new study from the University of Toronto Scarborough shows that human emotion, whether positive or negative, is... 阅读全文>>

日期：2014-02-23 Diseases that are common in managed honeybee colonies are now widespread in the UK's wild bumblebees, according to research published in Nature. The study suggests that some diseases are being driven into wild bumblebee populations from managed hone... 阅读全文>>

日期：2014-02-23 A multi-university team of engineers has developed what could be a promising solution for charging smartphone batteries on the go -- without the need for an electrical cord. Incorporated（合并，包含） directly into a cell phone housing, the team's n... 阅读全文>>

日期：2014-02-23 The first study to compare brain function between humans and any nonprimate animal shows that dogs have dedicated（专用的） voice areas in their brains, just as people do. Dog brains, like those of people, are also sensitive to acoustic cues of emot... 阅读全文>>

日期：2014-02-23 An international team led by The University of Texas at Dallas has discovered that ordinary fishing line and sewing thread can be cheaply converted to powerful artificial muscles. The new muscles can lift a hundred times more weight and generate a h... 阅读全文>>

日期：2014-02-21 One of science's strongest dogmas is that complex life on Earth could only evolve when oxygen levels in the atmosphere rose to close to modern levels. But now studies of a small sea sponge fished out of a Danish fjord shows that complex life does no... 阅读全文>>

日期：2014-02-15 Recently derived equations（导出方程） that describe development patterns in modern urban areas appear to work equally well to describe ancient cities settled thousands of years ago, according to a new study led by a researcher at the University of... 阅读全文>>

日期：2014-02-15 Cells communicate through proteins embedded in their cell membranes. These proteins have diverse functions and can be compared with antennas, switches and gates. For the well-being of the cell, it has to adjust the composition of its membrane protei... 阅读全文>>

日期：2014-02-15 The first thorough comparison of evidence for natural gas system leaks confirms that organizations including the Environmental Protection Agency (EPA) have underestimated U.S. methane emissions generally, as well as those from the natural gas indust... 阅读全文>>

日期：2014-02-15 Software that can fix 90 percent of broken links in the web of data, assuming the resources are still on the site's server, has been developed by researchers in Iran. The details are reported this month in the International Journal Web Engineering a... 阅读全文>>

日期：2014-02-15 University of British Columbia scientists have found for the first time an infectious form of the cat parasite Toxoplasma gondii in western Arctic Beluga, prompting a health advisory to the Inuit people who eat whale meat. The same team also discove... 阅读全文>>

日期：2014-02-14 Health professionals who treat people with psychiatric problems often overlook their patients' smoking habits, assuming it's best to tackle depression, anxiety or substance abuse problems first. However, new research at Washington University School... 阅读全文>>

日期：2014-02-14 An ichthyosaur（鱼龙） fossil may show the earliest live birth from an ancient Mesozoic marine reptile, according to a study published February 12, 2014 in PLOS ONE by Ryosuke Motani from the University of California, Davis, and colleagues. Ichthyos... 阅读全文>>

日期：2014-02-14 Timing of dart release or hand position may improve dart throwing accuracy, according to a study published in PLOS ONE on February 12, 2014 by Daiki Nasu from Osaka University, Japan and colleagues. Two major strategies are attributed to accurate th... 阅读全文>>

日期：2014-02-14 People who appreciate the beauty of mathematics activate the same part of their brain when they look at aesthetically pleasing formula as others do when appreciating art or music, suggesting that there is a neurobiological basis to beauty. There are... 阅读全文>>

日期：2014-02-14 New data from the field in Central Africa shows that between 2002 and 2013, 65 percent of forest elephants were killed. They are being poached, for their ivory, at a shocking 9 percent per year. This new data marks an update to an earlier paper in t... 阅读全文>>