日期：2014-03-15 When it comes to Oscars and some other Hollywood movie awards, who your friends are affects whether you win, according to a new study. Sociological theory suggests that the process of 'making it' in any field depends not only on individual merit, bu... 阅读全文>>

日期：2014-03-15 Populations of endangered salmonids（大马哈鱼） are supported by releasing large quantities of hatchery-reared fish, but the fisheries' catches have continued to decrease. Earlier research has shown that certain behavioural traits explain individual... 阅读全文>>

日期：2014-03-15 By the end of the 21st century, some parts of the world can expect as many as 30 more days a year without precipitation（降水，沉淀） , according to a new study by Scripps Institution of Oceanography, UC San Diego researchers. Ongoing climate change... 阅读全文>>

日期：2014-03-14 Evolutionary analysis applied to the relationship between North American and Central Siberian languages may indicate that people moved out from the Bering Land Bridge, with some migrating back to central Asia and others into North America, according... 阅读全文>>

日期：2014-03-14 Mutations within the gene FTO have been implicated as the strongest genetic determinant（遗传定子） of obesity risk in humans, but the mechanism behind this link remained unknown. Now, an international team of scientists has discovered that the obes... 阅读全文>>

日期：2014-03-14 A portrait of prehistoric parenthood captured deep in the fossil record has been uncovered by an international team of scientists led by University of Leicester geologist Professor David Siveter. The 'nursery in the sea' has revealed a species new t... 阅读全文>>

日期：2014-03-14 Combining nanodrug-based chemotherapy（化学疗法） and cryoablation（冷冻消融术） provides an effective strategy to eliminate cancer stem-like cells (CSCs) -- the root of cancer resistance and metastasis（转移，新陈代谢） , which will help to improve... 阅读全文>>

日期：2014-03-14 A 70 million year old fossil found in the Late Cretaceous sediments of Alaska reveals a new small tyrannosaur（霸王龙） , according to a paper published in the open-access journal PLOS ONE on March 12, 2014 by co-authors Anthony Fiorillo and Ronald... 阅读全文>>

日期：2014-03-13 Who said that there is only sand in the deserts? Not quite desert roses, two new species of desert poppies from North America prove such statements wrong with their simple beauty. The newly described plants are found in the deserts of California and... 阅读全文>>

日期：2014-03-13 Perched high on the bluffs（绝壁） of the big river valleys in the Midwest are some of the last remnants of never-farmed prairie grasslands. These patches, edged by forest, are slowly being taken over by shrubs. A recent University of Illinois study... 阅读全文>>

日期：2014-03-13 A new NASA study shows Earth's climate likely will continue to warm during this century on track with previous estimates, despite the recent slowdown in the rate of global warming. This research hinges on a new and more detailed calculation of the s... 阅读全文>>

日期：2014-03-13 The instant gratification（即时满足） and the pleasure derived from consuming excessive chocolate and deep-fried foods can lead way to a double-edged sword of negative consequences ranging from weight gain to feelings of low self-esteem. According t... 阅读全文>>

日期：2014-03-13 In the global aftershock zone that followed the major April 2012 Indian Ocean earthquake, seismologists noticed an unusual pattern -- a dynamic stress shadow, or period of seismic silence when some faults（断层） near failure were temporarily render... 阅读全文>>

日期：2014-03-13 Statins（他汀类药物） have long been known to lower cholesterol（胆固醇） and, more recently, to decrease the risk of deep vein thrombosis (blood clots) in healthy, non-surgical patients. New, first-of-its-kind research presented today at the 2014 A... 阅读全文>>

日期：2014-03-12 As energy costs rise, more Americans are turning to bioenergy to provide power to their homes and workplaces. Bioenergy is renewable energy made from organic sources, such as biomass. Technology has advanced enough that biomass power plants small en... 阅读全文>>

日期：2014-03-12 Imitation is the most sincere form of flattery -- especially in the predator/prey/poison cycle. In nature, bright colors are basically neon signs（霓虹灯） that scream, Don't eat me! But how did prey evolve these characteristics? When did predators... 阅读全文>>

日期：2014-03-12 There has been much research into the factors that have influenced the human genome since the end of the last Ice Age. Anthropologists（人类学家） at Johannes Gutenberg University Mainz (JGU) and geneticists at University College London (UCL), worki... 阅读全文>>

日期：2014-03-12 We live in a galaxy known as the Milky Way -- a vast conglomeration（聚集，团块） of 300 billion stars, planets whizzing around them, and clouds of gas and dust floating in between. Though it has long been known that the Milky Way and its orbiting c... 阅读全文>>

日期：2014-03-12 An international team of researchers has found evidence that the steam and heat from volcanoes and heated rocks allowed many species of plants and animals to survive past ice ages, helping scientists understand how species respond to climate change.... 阅读全文>>

日期：2014-03-11 Classroom programs designed to improve elementary school students' social and emotional skills can also increase reading and math achievement, even if academic improvement is not a direct goal of the skills building, according to a study to be publi... 阅读全文>>