日期：2013-11-07 Researchers from Lawrence Livermore National Laboratory (LLNL) and the Swiss Federal Institute of Technology (ETH) in Zurich have developed a new method of using nanotubes to detect molecules at extremely low concentrations enabling trace detection... 阅读全文>>

日期：2013-11-07 Costa Rica reveals astonishing biodiversity of braconid（茧蜂） wasps, with 277 new species of the tribe Heterospilini described in the latest special issue of the open access journal ZooKeys. This is the second part of an extensive two-part study o... 阅读全文>>

日期：2013-11-07 The degradation of drilling sumps（池） associated with hydrocarbon extraction can negatively affect aquatic ecosystems, according to new research published November 6th in the open-access journal PLOS ONE by Joshua Thienpont and colleagues at Queen... 阅读全文>>

日期：2013-11-07 Natural aerosols（气溶胶） , such as emissions from volcanoes or plants, may contribute more uncertainty than previously thought to estimates of how the climate might respond to greenhouse gas emissions. An international team of researchers, led by... 阅读全文>>

日期：2013-11-07 As more businesses find their way into the cloud, few engage in security measures beyond those provided by the associated cloud storage firm, a new report from Georgia Tech notes. Even fewer seek heightened data protection because of concerns that u... 阅读全文>>

日期：2013-11-07 New research on pond snails has revealed that high levels of stress can block memory processes. Researchers from the University of Exeter and the University of Calgary trained snails and found that when they were exposed to multiple stressful events... 阅读全文>>

日期：2013-11-07 In the largest study on the topic to date, research shows that speaking a second language may delay the onset of three types of dementias（痴呆） . The research is published in the November 6, 2013, online issue of Neurology, the medical journal of... 阅读全文>>

日期：2013-11-07 The meteor that exploded over Chelyabinsk, Russia, in February 2013 was a wake-up call, according to a University of California, Davis, scientist who participated in analyzing the event. The work is published Nov. 7 in the journal Science by an inte... 阅读全文>>

日期：2013-11-06 For the first time in a large study sample, the decline in brain function in normal aging is conclusively shown to be influenced by genes, say researchers from the Texas Biomedical Research Institute in San Antonio and Yale University. Identificatio... 阅读全文>>

日期：2013-11-06 Developing an efficient way to freeze and store living tissues could transform many aspects of medical care and research, but ice crystallization often occurs within cells during such cryopreservation procedures, leading to cell death. In the Novemb... 阅读全文>>

日期：2013-11-06 It's well established that humans maintain a symbiotic relationship with the trillions of beneficial microbes that colonize their bodies. These organisms, collectively called the microbiota, help digest food, maintain the immune system, fend off pat... 阅读全文>>

日期：2013-11-06 Results from a recent preclinical study have shown that a new drug combination therapy being developed at Virginia Commonwealth University Massey Cancer Center effectively killed colon, liver, lung, kidney, breast and brain cancer cells while having... 阅读全文>>

日期：2013-11-06 We use aluminum to make planes lightweight, store sodas in recyclable containers, keep the walls of our homes energy efficient and ensure that the Thanksgiving turkey is cooked to perfection. Now, thanks to a group of Japanese researchers, there may... 阅读全文>>

日期：2013-11-06 No living mammal is more peculiar（独特的） than the platypus（鸭嘴兽） . It has a broad, duck-like bill, thick, otter-like fur, and webbed, beaver-like feet. The platypus lays eggs rather than gives birth to live young, its snout is covered with el... 阅读全文>>

日期：2013-11-06 How far into the past can ice-core records go? Scientists have now identified regions in Antarctica they say could store information about Earth's climate and greenhouse gases extending as far back as 1.5 million years, almost twice as old as the ol... 阅读全文>>

日期：2013-11-06 NASA's Kepler space telescope, now crippled and its four-year mission at an end, nevertheless provided enough data to answer its main research question: How many of the 200 billion stars in our galaxy have potentially habitable planets? Based on a s... 阅读全文>>

日期：2013-11-03 It seems like everything can make us addicted these days. Our iPhones. The internet. Oreos. But just because something is pleasurable and causes a relevant reward area of your brain to light up does not mean that it is addictive. 最近，好像所有事物... 阅读全文>>

日期：2013-11-02 The risks to public health from fracking for shale gas are low, according to a new official report. 一份新的官方报道称，液压开采页岩气影响公众健康的风险很... 阅读全文>>

日期：2013-11-02 Forests with dense canopies create a microclimate that protects a variety of cold-adapted plant species from warming air temperatures, a study has shown. 一项研究发现，拥有浓密树冠的森林能为一些低温植物创造一个没有热空气的小环境。 Researchers found... 阅读全文>>

日期：2013-11-02 An increase in aridity（干旱） due to global warming will disturb the balance of nutrients in the soil and reduce productivity of the world's drylands, which support millions of people, a landmark study predicts. The research was conducted by a glob... 阅读全文>>