日期：2013-12-10 Scientists are digging deep into Earth's surface collecting census data on the microbial denizens（居民） of the hardened rocks. What they're finding is that, even miles deep and halfway across the globe, many of these communities are somehow quite... 阅读全文>>

日期：2013-12-10 Using the new, high-frequency capabilities of the National Science Foundation's Robert C. Byrd Green Bank Telescope (GBT), astronomers have captured never-before-seen details of the nearby starburst galaxy M82. These new data highlight streamers of... 阅读全文>>

日期：2013-12-10 Scientists have found evidence that there was once an ancient lake on Mars that may have been able to support life, in research published recently in the journal Science. A team of researchers from NASA's Mars Science Laboratory (MSL) Curiosity rove... 阅读全文>>

日期：2013-12-09 For years, scientists have believed that preserving more species, no matter which ones, is a key component to enhancing how well an ecosystem performs. Not so fast, say scientists at Duke University and the University of Massachusetts at Boston. In... 阅读全文>>

日期：2013-12-09 Sophisticated recent experiments with ultrashort laser pulses support the idea that intuition-defying quantum interactions between molecules help plants, algae（藻类） , and some bacteria efficiently gather light to fuel their growth. But key detail... 阅读全文>>

日期：2013-12-09 The energy needed to change the magnetic orientation of a single atom -- which determines its magnetic stability and therefore its usefulness in a variety of future device applications -- can be modified by varying the atom's electrical coupling to... 阅读全文>>

日期：2013-12-09 To technology insiders, graphene is a certified big deal. The one-atom thick carbon-based material elicits rhapsodic（狂热的） descriptions as the strongest, thinnest material known. It also is light, flexible, and able to conduct electricity as wel... 阅读全文>>

日期：2013-12-09 Autism spectrum disorder (ASD) is diagnosed when individuals exhibit characteristic behaviors that include repetitive actions, decreased social interactions, and impaired communication. Curiously, many individuals with ASD also suffer from gastroint... 阅读全文>>

日期：2013-12-09 Office buildings have an enormous carbon footprint, but often energy is being wasted maintaining empty rooms and spaces at a comfortable temperature. Research to be published in the International Journal of Communication Networks and Distributed Sys... 阅读全文>>

日期：2013-12-09 An abandoned mineral mine near Stanford University is providing geoscientists new insights on how to permanently entomb（埋葬） greenhouse gas emissions in the Earth. For two years, a team of Stanford researchers has been trying to unravel a geologi... 阅读全文>>

日期：2013-12-09 Researchers have identified a gene that drives the development of tumours in over one per cent of all cancer patients. This is the first time that the gene CUX1 has been broadly linked to cancer development. The team discovered that, when CUX1 is de... 阅读全文>>

日期：2013-12-09 In our youth we are strong and healthy and then we weaken and die -- that's probably how most would describe what aging is all about. But, in nature, the phenomenon of aging shows an unexpected diversity of patterns and is altogether rather strange,... 阅读全文>>

日期：2013-12-06 当询问一批自由职业者，他们从工作里获得的最大的好处是什么？往往会有人这么回应：你可以穿着你的睡衣工作。呆在自己舒适、安全的家中，不用在外赔笑，不用故作坚强。当然，没有哪一种情况是完美的。自由职业者的工作也会带来一系列可能会使抑郁症恶化的因素。比如：... 阅读全文>>

日期：2013-12-06 如果你早餐刚吃了谷类食物或者中饭只嚼了一块三明治，你也许不想读这篇文章，因为根据文中的医生所言，谷物有损你的大脑健康。 It's tempting to call David Perlmutter's dietary advice radical. The neurologist and president of the Perlmutter Health Center in... 阅读全文>>

日期：2013-12-06 Seeds from Moringa oleifera（辣木） trees can be used to purify water. Uppsala University leads a research group which has discovered that seed material can give a more efficient purification process than conventional synthetic materials in use toda... 阅读全文>>

日期：2013-12-06 Reducing the amount of sunlight reaching the planet's surface by geoengineering may not undo climate change after all. Two German researchers used a simple energy balance analysis to explain how Earth's water cycle responds differently to heating by... 阅读全文>>

日期：2013-12-06 Hummingbird metabolism is a marvel（奇迹） of evolutionary engineering. These tiny birds can power all of their energetic hovering flight by burning the sugar contained in the floral nectar（花蜜） of their diet. Now new research from the University... 阅读全文>>

日期：2013-12-06 Female mosquitoes, which can transmit deadly diseases like malaria, dengue fever, West Nile virus and filariasis, are attracted to us by smelling the carbon dioxide we exhale, being capable of tracking us down even from a distance. But once they get... 阅读全文>>

日期：2013-12-06 Researchers from the University of Southampton have identified regions beneath the oceans where the igneous rocks（火成岩） of the upper ocean crust could safely store very large volumes of carbon dioxide. The burning of fossil fuels such as coal, o... 阅读全文>>

日期：2013-12-06 Geoscientists at Rutgers and Tufts universities estimate that the New Jersey shore will likely experience a sea-level rise of about 1.5 feet by 2050 and of about 3.5 feet by 2100 -- 11 to 15 inches higher than the average for sea-level rise globally... 阅读全文>>