日期：2013-01-18 When it comes to camouflage（伪装，掩饰） , ground-nesting Japanese quail（鹌鹑） are experts. That's based on new evidence published online on January 17 in Current Biology that mother quail know the patterning of their own eggs and choose laying s... 阅读全文>>

日期：2013-01-17 Archaeologists working at the Smithsonian Tropical Research Institute in Panama have discovered a cluster of 12 unusual stones in the back of a small, prehistoric rock-shelter near the town of Boquete. The cache represents the earliest material evid... 阅读全文>>

日期：2013-01-17 Researchers have discovered a social chromosome in the highly invasive fire ant that helps to explain why some colonies allow for more than one queen ant, and could offer new solutions for dealing with this pest. The red fire ants live in two differ... 阅读全文>>

日期：2013-01-17 Safety fears about carbon nanotubes, due to their structural similarity to asbestos（石棉） , have been alleviated following research showing that reducing their length removes their toxic properties, experts say. In a new study, published January 1... 阅读全文>>

日期：2013-01-17 A high-tech robotic fish hatched at Michigan State University has a new look. A new skill. And a new name. MSU scientists have made a number of improvements on the fish, including the ability to glide（滑翔） long distances, which is the most import... 阅读全文>>

日期：2013-01-17 Using the meticulous（一丝不苟的） phenological records of two iconic American naturalists, Henry David Thoreau and Aldo Leopold, scientists have demonstrated that native plants in the eastern United States are flowering as much as a month earlier i... 阅读全文>>

日期：2013-01-16 Genetic differences are significantly associated with the likelihood that people take on managerial responsibilities, according to new research from UCL (University College London). The study, published online in Leadership Quarterly, is the first t... 阅读全文>>

日期：2013-01-16 While the iconic Haleakalā silversword plant made a strong recovery from early 20th-century threats, it has now entered a period of substantial climate-related decline. New research published this week warns that global warming may have severe cons... 阅读全文>>

日期：2013-01-16 Exposing pregnant mice to low doses of the chemical tributyltin（三丁基锡） -- which is used in marine hull（船体，外壳） paint and PVC plastic -- can lead to obesity for multiple generations without subsequent exposure, a UC Irvine study has found.... 阅读全文>>

日期：2013-01-16 People's memory for Facebook posts is strikingly stronger than their memory for human faces or sentences from books, according to a new study. The findings shed light on how our memories favour natural, spontaneous writing over polished, edited cont... 阅读全文>>

日期：2013-01-16 In addition to causing smoggy skies and chronic coughs, soot（煤烟，烟灰） -- or black carbon -- turns out to be the number two contributor to global warming. It's second only to carbon dioxide, according to a four-year assessment by an internationa... 阅读全文>>

日期：2013-01-15 Agricultural demand for pollination（授粉） is growing more quickly than the supply of honey bees, the dominant species managed for crop pollination. Increasing the efficiency of pollination represents a way of increasing crop yield without any incr... 阅读全文>>

日期：2013-01-15 Distillers（蒸馏器） dried grains with solubles (DDGS) are a good source of energy and protein in swine diets. However, they can be damaged by excessive heat during processing, compromising their nutritional value. University of Illinois researchers... 阅读全文>>

日期：2013-01-15 Parkinson's experts across the world have been reporting a remarkable phenomenon -- many patients treated with drugs to increase the activity of dopamine（多巴胺） in the brain as a therapy for motor symptoms such as tremors and muscle rigidity are... 阅读全文>>

日期：2013-01-15 Monthly temperature extremes have become much more frequent, as measurements from around the world indicate. On average, there are now five times as many record-breaking hot months worldwide than could be expected without long-term global warming, s... 阅读全文>>

日期：2013-01-15 Researchers at the Yerkes National Primate Research Center, Emory University, are the first to show chimpanzees possess a sense of fairness that has previously been attributed as uniquely human. Working with colleagues from Georgia State University,... 阅读全文>>

日期：2013-01-15 People who eat quickly until full are three times more likely to be overweight, a problem exacerbated by the availability of fast food and the decline of orderly dining habits, Japanese researchers said on Wednesday. The findings, published in the B... 阅读全文>>

日期：2013-01-14 Baby sharks still developing in their egg cases can sense when predators are near, and keep very still to avoid being detected, according to research published January 9 in the open access journal PLOS ONE by Ryan Kempster from the University of Wes... 阅读全文>>

日期：2013-01-14 Ever since he was a kid growing up in Germany, Holger Mller has been asking himself a fundamental question: What is time? That question has now led Mller, today an assistant professor of physics at the University of California, Berkeley, to a fundam... 阅读全文>>

日期：2013-01-14 This year's flu season is in full swing with 41 states now reporting widespread illness. Unfortunately, not enough children are getting the flu shot even though health officials recommend that all children 6 months and older get the vaccine. Accordi... 阅读全文>>