日期：2013-08-14 New research shows that a class of materials being eyed for the next generation of computers behaves asymmetrically at the sub-atomic level. This research is a key step toward understanding the topological（拓扑的，地质学的） insulators that may hav... 阅读全文>>

日期：2013-08-14 A strain of bacteria that causes skin and soft tissue infections in humans originally came from cattle, according to a study to be published in mBio, the online open-access journal of the American Society for Microbiology. The researchers who conduc... 阅读全文>>

日期：2013-08-14 Adjacent to the walls of our arterioles（小动脉） , capillaries（毛细血管） , and venules（小静脉） -- the blood vessels that make up our microcirculation -- there exists a peculiar thin layer of clear plasma, devoid of（没有，缺乏） red blood cells... 阅读全文>>

日期：2013-08-14 Smartphones are a great way to check in on the latest weather predictions, but new research aims to use the batteries in those same smartphones to predict the weather. A group of smartphone app developers and weather experts created a way to use the... 阅读全文>>

日期：2013-08-14 The near-death experience reported by cardiac arrest survivors worldwide may be grounded in science, according to research at the University of Michigan Health System. Whether and how the dying brain is capable of generating conscious activity（意识... 阅读全文>>

日期：2013-08-14 When egg and sperm combine, the new embryo bustles with（充满） activity. Its cells multiply so rapidly they largely ignore their DNA, other than to copy it and to read just a few essential genes. The embryonic cells mainly rely on molecular instruc... 阅读全文>>

日期：2013-08-14 We might be one step closer to an Internet-of-things reality. University of Washington engineers have created a new wireless communication system that allows devices to interact with each other without relying on batteries or wires for power. The ne... 阅读全文>>

日期：2013-08-11 A collaborative biological survey that focused on the insects of French Polynesia has resulted in the discovery of over 100 tiny predatory beetle species in Tahiti, 28 of these species newly described in the open-access journal ZooKeys. The predator... 阅读全文>>

日期：2013-08-11 For most of us, a modern lifestyle without polymers is unthinkableif only we knew what they were. The ordinary hardware-store terms we use for them include plastics, polyethylene（聚乙烯） , epoxy resins（环氧树脂） , paints, adhesives, rubber -- wi... 阅读全文>>

日期：2013-08-11 Morning sickness（早孕反应） , shiny hair, and bizarre and intense cravings for pickles（咸菜） and ice cream -- what expectations do pregnant women impose on their bodies, and how are those expectations influenced by cultural perspectives on pregna... 阅读全文>>

日期：2013-08-11 A new University of Cincinnati-Blue Ash College study explores the evolution of hip-hop from party music into a political platform. Todd Callais, an assistant professor of sociology, criminology, and criminal justice at UC-Blue Ash, focused on the h... 阅读全文>>

日期：2013-08-11 Since the mid-1980s, unrestrained household spending has damaged American family finances -- despite the fact that globalization and technological change have caused consumer prices to fall widely, says Queens College sociologist Joseph Nathan Cohen... 阅读全文>>

日期：2013-08-10 Periodic flooding in Texas -- one the most flood-prone states in the nation -- cannot be firmly linked to climate change due to numerous dams and other humanmade structures introduced over the years, according to a University of Iowa study. The rese... 阅读全文>>

日期：2013-08-10 Autism affects different parts of the brain in females with autism than males with autism, a new study reveals. The research is published today in the journal Brain as an open-access article. Scientists at the Autism Research Centre at the Universit... 阅读全文>>

日期：2013-08-10 The key to understanding Earth's evolution is to look at how heat is conducted in the deep lower mantle -- a region some 400 to 1,800 miles (660 to 2,900 kilometers) below the surface. Researchers at the Carnegie Institution, with colleagues at the... 阅读全文>>

日期：2013-08-09 For almost 20 years, it has been a wide-held belief that talking on a cellphone while driving is dangerous and leads to more accidents. However, new research from Carnegie Mellon University and the London School of Economics and Political Science su... 阅读全文>>

日期：2013-08-09 Are you influenced by the opinions of other people -- say, in the comments sections of websites? If your answer is no, here's another question: Are you sure? A new study co-authored by an MIT professor suggests that many people are, in fact, heavily... 阅读全文>>

日期：2013-08-09 A lot of people mix up the ozone hole and global warming, believing the hole is a major cause of the world's increasing average temperature. Scientists, on the other hand, have long attributed a small cooling effect to the ozone shortage in the hole... 阅读全文>>

日期：2013-08-09 An investigational malaria vaccine has been found to be safe, to generate an immune system response, and to offer protection against malaria infection in healthy adults, according to the results of an early-stage clinical trial published Aug. 8 in t... 阅读全文>>

日期：2013-08-08 Call it the Goldilocks Principle -- animals can survive and reproduce only if the temperature is just right. Too hot and they will overheat. Too cold and they will freeze. To stay in their comfort zone, animals have evolved very sensitive temperatur... 阅读全文>>