日期:2015-07-06 An international research team led by the University of Colorado Boulder and the University of Witwatersrand in Johannesburg, South Africa has discovered a milk-and ochre-based paint dating to 49,000 years ago that inhabitants may have used to adorn... 阅读全文>>

日期:2015-07-06 Inspiration for the next big technological breakthrough in robotics, defense systems and biomedicine could come from a seahorse's tail, according to a new study reported Thursday in the journal Science. The research centers on the curious shape of s... 阅读全文>>

日期:2015-07-06 Mass killings and school shootings in the U.S. appear to be contagious, according to a team of scientists from Arizona State University and Northeastern Illinois University. Study author Sherry Towers, research professor in the ASU Simon A. Levin Ma... 阅读全文>>

日期:2015-07-02 Scientists have discovered a new inherited form of obesity and type 2 diabetes in humans. A large number of genes are involved in regulating body weight, and there are now over 30 genes known in which people with harmful changes in DNA sequence beco... 阅读全文>>

日期:2015-07-02 A team from the RIKEN Center for Emergent Matter Science, along with collaborators from several Japanese institutions, have successfully produced pairs of spin-entangled electrons and demonstrated, for the first time, that these electrons remain ent... 阅读全文>>

日期:2015-07-02 A University of Texas at Arlington materials science and engineering team has developed a new energy cell that can store large-scale solar energy even when it's dark. The innovation is an advancement over the most common solar energy systems that re... 阅读全文>>

日期:2015-07-02 Failing to find a mating partner is a dent to the reproductive prospects of any animal, but in the flatworm species Macrostomum hystrix it might involve a real headache. Zoologists from the Universities of Basel and Bielefeld have discovered the ext... 阅读全文>>

日期:2015-07-02 The European Space Agency's Rosetta spacecraft first began orbiting comet 67P/Churyumov-Gerasimenko in August 2014. Almost immediately, scientists began to wonder about several surprisingly deep, almost perfectly circular pits on the comet's surface... 阅读全文>>

日期:2015-07-01 Most wounds clear up by themselves, but some fail to heal and become chronic. An international team of researchers led from Karolinska Institutet, now unveil the important role of so-called microRNAs in regulating skin wound healing, pointing to new... 阅读全文>>

日期:2015-07-01 Stringing together meaningless sounds to create meaningful signals was previously thought to be the preserve of humans alone, but a new study has revealed that babbler birds are also able to communicate in this way. Researchers at the Universities o... 阅读全文>>

日期:2015-07-01 Scientists behind the first global distribution maps of two species of dengue and chikungunya-carrying mosquitoes warn they are spreading to new areas where they could cause disease. The population of the tiger mosquito, which is known to carry deng... 阅读全文>>

日期:2015-07-01 Pink salmon that begin life in freshwater with high concentrations of carbon dioxide, which causes acidification, are smaller and may be less likely to survive, according to a new study from UBC. The risks of ocean acidification on marine species ha... 阅读全文>>

日期:2015-07-01 Each of us has, in our nose, about six million smell receptors of around four hundred different types. The distribution of these receptors varies from person to person - so much so that each person's sense of smell may be unique. In research recentl... 阅读全文>>

日期:2015-07-01 A new species of 'super-armoured' worm, a bizarre, spike-covered creature which ate by filtering nutrients out of seawater with its feather-like front legs, has been identified by palaeontologists. The creature, which lived about half a billion year... 阅读全文>>

日期:2015-06-29 Starfish that reproduce through cloning avoid ageing to a greater extent than those that propagate through sexual reproduction. This is shown by a new research study in which researchers from the University of Gothenburg participated. The study has... 阅读全文>>

日期:2015-06-29 Astronomers expect that galaxies grow by swallowing smaller galaxies. But the evidence is usually not easy to see -- just as the remains of the water thrown from a glass into a pond will quickly merge with the pond water, the stars in the infalling... 阅读全文>>

日期:2015-06-29 Some coral populations already have genetic variants necessary to tolerate warm ocean waters, and humans can help to spread these genes, a team of scientists from The University of Texas at Austin, the Australian Institute of Marine Science and Oreg... 阅读全文>>

日期:2015-06-29 The day will officially be a bit longer than usual on Tuesday, June 30, 2015, because an extra second, or leap second, will be added. Earth's rotation is gradually slowing down a bit, so leap seconds are a way to account for that, said Daniel MacMil... 阅读全文>>

日期:2015-06-26 In a comprehensive assessment of Antarctic biodiversity, published in Nature this week, scientists have revealed the region is more diverse and biologically interesting than previously thought. The team of scientists, led by Monash University, along... 阅读全文>>

日期:2015-06-26 A new NASA computer simulation shows that dark matter particles colliding in the extreme gravity of a black hole can produce strong, potentially observable gamma-ray light. Detecting this emission would provide astronomers with a new tool for unders... 阅读全文>>

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