日期：2012-08-21 Researchers at a recent worldwide conference on fusion（融合，融化） power have confirmed the surprising accuracy of a new model for predicting the size of a key barrier to fusion that a top scientist at the U.S. Department of Energy's Princeton Pla... 阅读全文>>

日期：2012-08-21 An ancient skull recovered from a cave in the Annamite Mountains in northern Laos is the oldest modern human fossil found in Southeast Asia, researchers report. The discovery pushes back the clock on modern human migration through the region by as m... 阅读全文>>

日期：2012-08-20 Two new species of owls have been discovered in the Philippines, and a Michigan State University researcher played a key role in confirming their existence. The discovery, which is featured in the current issue of Forktail, the Journal of Asian Orni... 阅读全文>>

日期：2012-08-20 A team of researchers at RIKEN and the University of Tokyo has demonstrated a new material that promises to eliminate loss in electrical power transmission. The surprise is that their methodology for solving this classic energy problem is based upon... 阅读全文>>

日期：2012-08-20 Researchers have finally found a compound that may offer the first effective and hormone-free birth control pill for men. The study in the August 17th Cell, a Cell Press publication, shows that the small molecule makes male mice reversibly infertile... 阅读全文>>

日期：2012-08-20 Researchers have long chronicled what goes wrong in the brains of older people with dementia. But Northwestern Medicine researcher Emily Rogalski wondered what goes right in the brains of the elderly who still have terrific memories. And, do those p... 阅读全文>>

日期：2012-08-20 The way legislators, experts and other opinion leaders discuss the role of parents and schools in reducing educational inequalities has changed dramatically since the Elementary and Secondary Education Act first passed in 1965. Put simply, parents w... 阅读全文>>

日期：2012-08-20 Nature proves every day that it is both complex and efficient. Organic chemists are envious（羡慕） of it; their conventional tools confine them to simpler achievements. Thanks to the work of professor Stefan Matile's team from the University of Gen... 阅读全文>>

日期：2012-08-20 Research into the genetic factors behind certain disease mechanisms, illness progression and response to new drugs is frequently carried out using tiny multi-cellular animals such as nematodes（线虫） , fruit flies or zebra fish. Often, progress rel... 阅读全文>>

日期：2012-08-17 Earthworms（蚯蚓） could be used to extract toxic heavy metals, including cadmium and lead, from solid waste from domestic refuse collection and waste from vegetable and flower markets, according to researchers writing in the International Journal o... 阅读全文>>

日期：2012-08-17 Coral Reefs, the Journal of the International Society for Reef Studies, has published online a study co-written by Dr. Gordon Hendler of the Natural History Museum of Los Angeles County (NHM) about an invasive species of brittle star（海蛇尾） , Oph... 阅读全文>>

日期：2012-08-17 Ancient pollen（花粉） and charcoal（木炭） preserved in deeply buried sediments in Egypt's Nile Delta document the region's ancient droughts and fires, including a huge drought 4,200 years ago associated with the demise of Egypt's Old Kingdom, the... 阅读全文>>

日期：2012-08-17 Astronomers have found an extraordinary galaxy cluster, one of the largest objects in the universe, that is breaking several important cosmic records. Observations of the Phoenix cluster with NASA's Chandra X-ray Observatory, the National Science Fo... 阅读全文>>

日期：2012-08-16 Landslides kill ten times more people across the world than was previously thought, according to research by Durham University, UK. A new database of hazards shows that 32,300 people died in landslides between 2004 and 2010. Previous estimates range... 阅读全文>>

日期：2012-08-16 A previously unrecognized system that drains waste from the brain at a rapid clip has been discovered by neuroscientists at the University of Rochester Medical Center. The findings were published online August 15 in Science Translational Medicine. T... 阅读全文>>

日期：2012-08-16 A new report by U.S. and Canadian scientists analyzes decades of research and concludes that the climate of the Northeast has changed and is likely to change more. The report outlines the effects of climate change on multiple aspects of forests in t... 阅读全文>>

日期：2012-08-16 A series of forest searches by dogs specially trained to sniff out northern spotted owl pellets（芯块，小球） -- the undigested bones, fur and other bits regurgitated（反刍） by owls -- improved the probability of finding the owls by nearly 30 perce... 阅读全文>>

日期：2012-08-15 Earthquakes are among the most destructive and common of geologic phenomena. Several million earthquakes are estimated to occur worldwide each year (the vast majority are too small to feel, but their motions can be measured by arrays of seismometers... 阅读全文>>

日期：2012-08-15 How the intricate（复杂的） network of blood vessels forms within the brain has long fascinated biologists. Though the human brain comprises only 2 percent of body weight it receives up to 15 percent of the cardiac output through this network, or ve... 阅读全文>>

日期：2012-08-15 They're sleek（圆滑的） . They're fast. They're powerful. And, they are deafening. Furthermore, those Top Gun military jets need to be up in the air in the wee hours（深夜，凌晨） -- over land -- to simulate their landings on aircraft carriers. But... 阅读全文>>