日期:2016-02-26 An international team of scientists from the Carnegie Institution for Science, Rice University and other institutions has performed the first experiment to manipulate seawater chemistry in a natural coral-reef community to determine the effect that... 阅读全文>> 日期:2016-02-26 A common gut microbe could soon be offering us pain relief. Japanese bioengineers have tweaked Escherichia coli genes so that they pump out thebaine, a morphine precursor that can be modified to make painkillers. The genetically modified E. coli pro... 阅读全文>> 日期:2016-02-26 Just as the single-crystal silicon wafer forever changed the nature of communication 60 years ago, a group of Cornell researchers is hoping its work with quantum dot solids - crystals made out of crystals - can help usher in a new era in electronics... 阅读全文>> 日期:2016-02-26 Aquatic life can suffer when high concentrations of dissolved salts enter freshwater ecosystems, a process known as salinization. An international, multi-institutional team of researchers that includes a Virginia Tech graduate student recommends way... 阅读全文>> 日期:2016-02-26 Researchers from the National University of Singapore (NUS) have successfully developed an environmentally-friendly food packaging material that is free from chemical additives, by fortifying natural chitosan-based composite film with grapefruit see... 阅读全文>> 日期:2016-02-26 Archaeological and genetic analysis may indicate that three skeletons buried in medieval graves in France may have been Muslim, according to a study published February 24, 2016 in the open-access journal PLOS ONE by Yves Gleize from the French Natio... 阅读全文>> 日期:2016-02-26 Hundreds of methane-emitting hot spots have been identified across the Los Angeles Basin, including a clean ports truck refueling facility near the Port of Long Beach, power plants, water treatment facilities, and cattle in Chino, according to new f... 阅读全文>> 日期:2016-02-26 New research suggests that the dodo, an extinct bird whose name has entered popular culture as a symbol of stupidity, was actually fairly smart. The work, published today in the Zoological Journal of the Linnean Society, finds that the overall size... 阅读全文>> 日期:2016-02-26 APEX, the Atacama Pathfinder EXperiment telescope, is located at 5100 metres above sea level on the Chajnantor Plateau in Chile's Atacama region. The ATLASGAL survey took advantage of the unique characteristics of the telescope to provide a detailed... 阅读全文>> 日期:2016-02-26 Health officials, drug companies, governments and the public are scrambling to understand and combat the Zika virus. The virus was first identified almost 70 years ago, but little is known about it. And now, officials suspect it could be related to... 阅读全文>> 日期:2016-02-26 Environmental scientists at the University of Virginia have found that surface ozone, an abundant chemical known to be toxic to many species of vegetation and to humans, does not necessarily inhibit the productivity of natural ecosystems. This is a... 阅读全文>> 日期:2016-02-26 Scientists in China have finally succeeded in creating functioning sperm from mice in the laboratory. To accomplish this feat, the researchers coaxed mouse embryonic stem cells to turn into functional sperm-like cells, which were then injected into... 阅读全文>> 日期:2016-02-24 Just three years after crayfish were introduced to a B.C. lake, two species of fish that had existed in the lake for thousands of years were suddenly extinct. But it's what took their place that has scientists fascinated. New research from UBC shows... 阅读全文>> 日期:2016-02-24 New research reveals that the evolutionary history of glyptodonts -- huge, armored mammals that went extinct in the Americas at the end of the last ice age -- is unexpectedly brief. The work, published this week in the journal Current Biology by an... 阅读全文>> 日期:2016-02-24 More than 70 percent of the Earth's surface is covered by water, yet scientists know more about space than about what happens in the ocean. One way scientists are trying to improve their understanding of the marine environment is through the use of... 阅读全文>> 日期:2016-02-24 Musical styles and genres differ around the world, but the emotional power of music is universally felt. To understand this evocative force, researchers in many fields, including information science, neural perception, and signal processing, investi... 阅读全文>> 日期:2016-02-24 In the concrete jungle at the core of a city, carbon dioxide (CO2) emissions are dominated by the fossil fuels burned by the dense concentrations of cars and buildings. Boston University researchers now have shown, however, that in metropolitan area... 阅读全文>> 日期:2016-02-23 You might think it's your colleagues or the pressures of work that's getting you down at the office, but new research suggests it could well be the air you're breathing instead. Scientists in the US have found that the concentration of carbon dioxid... 阅读全文>> 日期:2016-02-23 Doctors are less likely to die in hospital, have surgery or be admitted to intensive care, than the general public, new research has revealed. 一项新研究表明,比起普罗大众,医生死于医院、接受手术,或接受重症监护的几率更低。 While most people report... 阅读全文>> 日期:2016-02-23 Turns out, you're not just what you eat -- you're also where you eat. 研究证明,不仅你吃的是什么很重要,你在哪儿吃的也很重要。 Researchers from Cornell University's Food and Brand Lab found that study participants snacked on double the number of cal... 阅读全文>> |
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