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蝴蝶的饮食影响进化特性
16-07-16 Why do some organisms within a single species have many offspring, while others have relatively few? A new study led by University of Minnesota researcher Emilie Snell-Rood finds that access to some nutrients may be a star player in shaping traits r...
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新西兰海域发现稀有谢氏塔喙鲸
16-07-11 For the first time in New Zealand waters an extremely rare grouping of Shepherds Beaked Whales has been spotted from a University of Otago research vessel off the coast of the city of Dunedin in the South Island. Dr Will Rayment, from Otagos Departm...
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海星大量死亡带来的多米诺效应
16-06-27 A new study by Simon Fraser University marine ecologists Jessica Schultz, Ryan Cloutier and Isabelle Ct has discovered that a mass mortality of sea stars resulted in a domino effect on B.C.s West Coast Howe Sound marine ecology. In the summer of 201...
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秃鹰对生态环境的重要性
16-05-06 Vultures. Cartoon characters in parched deserts often wish them to disappear, since circling vultures are a stereotypical harbinger of death. But, joking aside, vultures in some parts of the world are in danger of disappearing. And according to a ne...
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interspecies friendship 跨种群友情
16-04-29 Interspecies friendship refers to the social relationships formed between members of different animal species. Interspecies friendship指不同种群的动物之间发展出来的社交关系，也就是跨种群友情。 Online, media documenting these amiable associations are...
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森林如何应对气候变化
16-04-27 Drought could render the U.S. Northeasts mixed forests unsustainable after 2050 while Washingtons Cascade Mountains may require tropical and subtropical forest species, according to researchers using a new type of mathematical model at Washington St...
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鸟类基因组含有人类寄生虫“化石”基因
16-04-22 In rare instances, DNA is known to have jumped from one species to another. If a parasites DNA jumps to its hosts genome, it could leave evidence of that parasitic interaction that could be found millions of years later -- a DNA fossil of sorts. An...
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尼安德特人和丹尼索瓦人的世界分布图
16-03-30 Africans possess at least a little bit Neanderthal DNA. But a new map of archaic ancestry--published March 28 in Current Biology--suggests that many bloodlines around the world, particularly of South Asian descent, may actually be a bit more Denisov...
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水熊虫体内并不含大量外来DNA
16-03-29 Tardigrades, also known as moss piglets or water bears, are eight-legged microscopic animals that have long fascinated scientists for their ability to survive extremes of temperature, pressure, lack of oxygen, and even radiation exposure. Now, a stu...
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泰国某种洞穴鱼解剖特性有重大发现
16-03-26 Researchers from New Jersey Institute of Technology (NJIT) have identified unique anatomical features in a species of blind, walking cavefish in Thailand that enable the fish to walk and climb waterfalls in a manner comparable to tetrapods, or four-...
