日期：2014-12-16 Cities like Miami are all too familiar with hurricane-related power outages. But a Johns Hopkins University analysis finds climate change will give other major metro areas a lot to worry about in future storms. Johns Hopkins engineers created a comp... 阅读全文>>

日期：2014-12-16 Stanford scientists have found evidence that sections of the fault responsible for the 9.0 magnitude Tohoku earthquake that devastated northern Japan in 2011 were relieving seismic stress at a gradually accelerating rate for years before the quake.... 阅读全文>>

日期：2014-12-16 Dangerously high levels of air pollutants are being released in Mecca during the hajj, the annual holy pilgrimage in which millions of Muslims on foot and in vehicles converge on the Saudi Arabian city, according to findings reported today at the Am... 阅读全文>>

日期：2014-12-16 E-cigarette use among teenagers is growing in the U.S., and Hawaii teens take up e-cigarette use at higher rates than their mainland counterparts, a new study by University of Hawaii Cancer Center researchers has found. The findings come as e-cigare... 阅读全文>>

日期：2014-12-16 Leading conservation scientists from around the world have called for a substantial role for nuclear power in future energy-generating scenarios in order to mitigate climate change and protect biodiversity. In an open letter to environmentalists wit... 阅读全文>>

日期：2014-12-16 The Greenland Ice Sheet is the second-largest body of ice on Earth. It covers an area about five times the size of New York State and Kansas combined, and if it melts completely, oceans could rise by 20 feet. Coastal communities from Florida to Bang... 阅读全文>>

日期：2014-12-11 Nearly 269,000 tons of plastic pollution may be floating in the world's oceans, according to a study published December 10, 2014 in the open-access journal PLOS ONE by Marcus Eriksen from Five Gyres Institute and colleagues. Microplastic pollution i... 阅读全文>>

日期：2014-12-11 Hair loss can be devastating for the millions of men and women who experience it. Now scientists are reporting that a substance from honeybee hives might contain clues for developing a potential new therapy. They found that the material, called prop... 阅读全文>>

日期：2014-12-11 Researchers at Case Western Reserve University School of Medicine have uncovered the mechanism that enables the enzyme Lecithin: retinol acyltransferase (LRAT) to store vitamin A--a process that is indispensable for vision. Without this information,... 阅读全文>>

日期：2014-12-11 Nitrous oxide (N2O) is an important greenhouse gas that doesn't receive as much notoriety as carbon dioxide or methane, but a new study confirms that atmospheric levels of N2O rose significantly as the Earth came out of the last ice age and addresse... 阅读全文>>

日期：2014-12-11 Scientists have named the first definite horned dinosaur species from the Early Cretaceous in North America, according to a study published December 10, 2014 in the open-access journal PLOS ONE by Andrew Farke from Raymond M. Alf Museum of Paleontol... 阅读全文>>

日期：2014-12-10 When it comes to remembering where a tasty titbit was left, female great tit birds are miles ahead of their male counterparts. This ability might have evolved because the females come second when there's food to be shared, argue Anders Brodin and Ut... 阅读全文>>

日期：2014-12-10 Off the West Coast of the United States, methane gas is trapped in frozen layers below the seafloor. New research from the University of Washington shows that water at intermediate depths is warming enough to cause these carbon deposits to melt, rel... 阅读全文>>

日期：2014-12-10 Animals that regulate their body temperature through the external environment may be resilient to some climate change but not keep pace with rapid change, leading to potentially disastrous outcomes for biodiversity. A study by the University of Sydn... 阅读全文>>

日期：2014-12-10 Most consumers have experienced online ads so garish, loud, or aggravating that they can't possibly be ignored. But a new study in the Journal of Marketing Researchsuggests that this way of forcing customer's attention may actually be bad for busine... 阅读全文>>

日期：2014-12-10 A new study shows that college students in online courses give better evaluations to instructors they think are men -- even when the instructor is actually a woman. The ratings that students give instructors are really important, because they're use... 阅读全文>>

日期：2014-12-10 UCL scientists have shown how advanced computer simulations can be used to design new composite materials. Nanocomposites, which are widely used in industry, are revolutionary materials in which microscopic particles are dispersed through plastics.... 阅读全文>>

日期：2014-12-09 Voters are more willing to pay for a decreased risk of food-related illness than consumers, but female consumers are more willing to pay than male consumers, according to an international team of researchers. The question is, what would consumers pr... 阅读全文>>

日期：2014-12-09 A new study on tropical shallow-water soft corals, known as gorgonians, found that the species were able to calcify and grow under elevated carbon dioxide concentrations. These results suggest that Caribbean gorgonian corals may be more resilient to... 阅读全文>>

日期：2014-12-09 Technology that can map out the genes at work in a snake or lizard's mouth has, in many cases, changed the way scientists define an animal as venomous. If oral glands show expression of some of the 20 gene families associated with venom toxins, that... 阅读全文>>