日期：2013-11-29 Drivers on a rainy day regulate the speed of their windshield wipers according to rain intensity: faster in heavy rain and slower in light rain. This simple observation has inspired researchers from the University of Hanover in Germany to come up wi... 阅读全文>>

日期：2013-11-29 Scientists at The Scripps Research Institute (TSRI) have determined the most detailed picture yet of a crucial part of the hepatitis（肝炎） C virus, which the virus uses to infect liver cells. The new data reveal unexpected structural features of t... 阅读全文>>

日期：2013-11-29 The decrease in snowfall observed in recent years in Canada's subarctic（亚北极的） regions has led to worrisome desiccation（干燥） of the regions' lakes. This is the conclusion arrived at by researchers from Universit Laval, Wilfrid Laurier Univer... 阅读全文>>

日期：2013-11-29 Researchers reporting in the Cell Press journal Current Biology on November 27 have identified a cryptic（神秘的） new species of wild cat living in Brazil. The discovery is a reminder of just how little scientists still know about the natural world... 阅读全文>>

日期：2013-11-29 Sex may in fact be one of the secrets to good health, youth and a longer life -- at least for fruit flies -- suggests a new University of Michigan study that appears in the journal Science. Male fruit flies that perceived（感知，领会） sexual pherom... 阅读全文>>

日期：2013-11-26 British cities -- unlike their counterparts on the mainland -- are taking the lead in making plans to curb and handle the impact of climate change. So says Diana Reckien, of Columbia University in the US, in a study published in Springer's journal C... 阅读全文>>

日期：2013-11-26 Garlic may be bad for your breath, but it's good for your baby, according to a new study from the University of British Columbia. The study, recently published in Applied and Environmental Microbiology, is the first to identify two compounds derived... 阅读全文>>

日期：2013-11-26 The seafloor off the coast of Northern Siberia is releasing more than twice the amount of methane（甲烷） as previously estimated, according to new research results published in the Nov. 24 edition of the journal Nature Geoscience. The East Siberian... 阅读全文>>

日期：2013-11-26 Two new beautiful wasp species are added to the rare pompilid（蛛蜂） genus Abernessia, which now contains a total of only four known species. The two new species A. prima and A. capixaba are believed to be endemic（地方性的） for Brazil alongside t... 阅读全文>>

日期：2013-11-26 The lowland tropics were once though filled with widespread species, while moderate and higher elevations were thought to contain species with more restricted distributions. That idea is turning out to be partially incorrect. Widespread species now... 阅读全文>>

日期：2013-11-26 University of Illinois researchers have developed a way to heal gaps in wires too small for even the world's tiniest soldering iron（烙铁） . Led by electrical and computer engineering professor Joseph Lyding and graduate student Jae Won Do, the Ill... 阅读全文>>

日期：2013-11-26 Scientists should take the conservative approach when searching for habitable zones where life-sustaining planets might exist, according to James Kasting, Evan Pugh Professor of Geosciences at Penn State, including when building Terrestrial Planet F... 阅读全文>>

日期：2013-11-26 A method by Rice University researchers to model the way proteins fold -- and sometimes misfold -- has revealed branching behavior that may have implications for Alzheimer's and other aggregation（聚合） diseases. Results from the research will appe... 阅读全文>>

日期：2013-11-26 Awe-inspiring（使人敬畏的） moments -- like the sight of the Grand Canyon or the Aurora Borealis -- might increase our tendency to believe in God and the supernatural, according to new research. The new findings -- published in Psychological Science... 阅读全文>>

日期：2013-11-26 Scientists have charted a significant signaling network in a tiny organism that's big in the world of biofuels research. The findings about how a remarkably fast-growing organism conducts its metabolic business bolster（支持） scientists' ability to... 阅读全文>>

日期：2013-11-26 Archaeologists（考古学家） working in Nepal have uncovered evidence of a structure at the birthplace of the Buddha dating to the sixth century B.C. This is the first archaeological material linking the life of the Buddha -- and thus the first flower... 阅读全文>>

日期：2013-11-25 Many owl species have developed specialized plumage to effectively eliminate the aerodynamic（空气动力学的） noise from their wings -- allowing them to hunt and capture their prey in silence. A research group working to solve the mystery of exactly... 阅读全文>>

日期：2013-11-25 Around 250 million years ago, at the end of the Permian period, there was a mass extinction so severe that it remains the most traumatic（创伤的） known species die-off in Earth's history. Some researchers have suggested that this extinction was tri... 阅读全文>>

日期：2013-11-25 Astrophysicists using a telescope embedded in Antarctic ice have succeeded in a quest to detect and record the mysterious phenomena known as cosmic neutrinos -- nearly massless particles that stream to Earth at the speed of light from outside our so... 阅读全文>>

日期：2013-11-25 A study shows for the first time that X-ray lasers can be used to generate a complete 3-D model of a protein without any prior knowledge of its structure. An international team of researchers working at the Department of Energy's (DOE) SLAC National... 阅读全文>>