日期：2010-08-19 New satellite imagery has given scientists the most comprehensive and exact data on the distribution and decline of mangrove（红树林） forests from across the world. The research, carried out by scientists from the U.S Geological Survey and NASA, is... 阅读全文>>

日期：2010-08-19 NIST will use the new ultra-dark detector, described in a new paper in Nano Letters, to make precision laser power measurements for advanced technologies such as optical communications, laser-based manufacturing, solar energy conversion（能量转换）... 阅读全文>>

日期：2010-08-19 A 48-million-year-old fossilised leaf has revealed the oldest known evidence of a macabre（可怕的） part of nature parasites（寄生虫） taking control of their hosts to turn them into zombies（僵尸） . The discovery has been made by a research team l... 阅读全文>>

日期：2010-08-19 To reach their conclusions, the astronomers looked in detail at the extraordinary star cluster（星团） Westerlund 1, located 16 000 light-years away in the southern constellation（星座，星群） of Ara (the Altar). From previous studies (eso0510 - htt... 阅读全文>>

日期：2010-08-17 While Arctic sea ice has been diminishing（减少，衰减） in recent decades, the Antarctic sea ice extent has been increasing slightly. Researchers from the Georgia Institute of Technology provide an explanation for the seeming paradox（悖论，反论） o... 阅读全文>>

日期：2010-08-17 The Wildlife Conservation Society today released initial field observations（野外观测，实地观察） that indicate that a dramatic rise in the surface temperature in Indonesian waters has resulted in a large-scale bleaching event that has devastated co... 阅读全文>>

日期：2010-08-17 B rays may increase serum（血清，浆液） levels of vitamin D in the wintertime while clearing psoriasis（牛皮癣） , according to a report in the August issue of Archives of Dermatology（皮肤病学） , one of the JAMA/Archives journals. Psoriasis affect... 阅读全文>>

日期：2010-08-13 Sons who have fond childhood memories of their fathers are more likely to be emotionally stable in the face of day-to-day stresses, according to psychologists（心理学家） who studied hundreds of adults of all ages. Psychology professor Melanie Malle... 阅读全文>>

日期：2010-08-13 A mutation（突变，变化） found in a mouse gene that also appears in humans might provide new insights into the genetic roots of alcoholism, according to a study led by researchers at the Ernest Gallo Clinic and Research Center and the University of... 阅读全文>>

日期：2010-08-13 An elevated resting heart rate that develops or persists during follow-up is associated with a significantly increased risk of death, whether from heart disease or other causes, researchers from the Ronald O. Perelman Heart Institute at NewYork-Pres... 阅读全文>>

日期：2010-08-13 People with extremely strong ties to their countries or groups are not only willing, but eager, to sacrifice themselves to save their compatriots（同胞） , according to new psychology（心理学） research from The University of Texas at Austin. In a s... 阅读全文>>

日期：2010-08-13 Research from Rice University's Department of Psychology finds that if you like what you're watching, you're less likely to notice the difference in video quality of the TV show, Internet video or mobile movie clip（电影片段） . The findings come fr... 阅读全文>>

日期：2010-08-13 A little wax（蜡） and soap can help build electrodes（电极，电焊条） for cheaper lithium ion batteries, according to a study in August 11 issue of Nano Letters. The one-step method will allow battery developers to explore lower-priced alternatives... 阅读全文>>

日期：2010-08-13 A new analysis of the unusually long solar cycle that ended in 2008 suggests that one reason for the long cycle could be a stretching of the Sun's conveyor belt, a current of plasma（等离子体，血浆） that circulates（传播，循环） between the Sun's e... 阅读全文>>

日期：2010-08-13 Astronomers using NASA's Fermi Gamma-ray Space Telescope have detected gamma-rays from a nova（新星） for the first time, a finding that stunned（震惊） observers and theorists alike. The discovery overturns the notion that novae explosions lack the... 阅读全文>>

日期：2010-08-11 A drop in the average temperature outside is linked to a higher risk of people having heart attacks, according to a new study published on bmj.com today. UK researchers found that each 1C reduction in temperature on a single day is associated with a... 阅读全文>>

日期：2010-08-11 Ever wonder why some people can sleep through just about anything, while others get startled awake at each and every bump in the night? A new report in the August 10th issue of Current Biology, a Cell Press publication, offers some insight: sound sl... 阅读全文>>

日期：2010-08-11 Sleek（圆滑的） design and ease of use are just two of the main reasons consumers are increasingly attracted to tablets and e-readers. And these devices are only going to get better -- display technology improvements are on the way. Several e-reader... 阅读全文>>

日期：2010-08-11 The authors of a new study in Biological Psychiatry explore pharmacological（药理学的） strategies for reducing cocaine self-administration in animals that may have implications for treating cocaine dependence in humans. Glutamate is the primary exc... 阅读全文>>

日期：2010-08-11 Production of ricethe world's most important crop for ensuring food security and addressing povertywill be thwarted（挫败，反对） as temperatures increase in rice-growing areas with continued climate change, according to a new study by an internatio... 阅读全文>>