日期：2014-06-20 Spiders are traditionally viewed as predators of insects. Zoologists from Switzerland and Australia have now published a study that shows: spiders all over the world also prey on fish. The academic journal PLOS ONE has just published the results. Al... 阅读全文>>

日期：2014-06-20 Georgia Tech researchers have identified a weakness in one of Android's security features and will present their work at Black Hat USA 2014, which will be held August 6-7 in Las Vegas. The research, titled Abusing Performance Optimization Weaknesses... 阅读全文>>

日期：2014-06-20 An international team of astronomers, using data from several NASA and European Space Agency (ESA) space observatories, has discovered unexpected behavior from the supermassive black hole at the heart of the galaxy NGC 5548, located 244.6 million li... 阅读全文>>

日期：2014-06-17 The Antarctic shore is a place of huge contrasts, as quiet, dark, and frozen winters give way to bright, clear waters, thick with algae and peppered with drifting icebergs in summer. But as the planet has warmed in the last two decades, massive loss... 阅读全文>>

日期：2014-06-17 Your eye could someday house its own high-tech information center, tracking important changes and letting you know when it's time to see an eye doctor. University of Washington engineers have designed a low-power sensor that could be placed permanen... 阅读全文>>

日期：2014-06-17 Lawrence Livermore National Laboratory researchers have developed a new and more efficient approach to a challenging problem in additive manufacturing -- using selective laser melting, namely, the selection of appropriate process parameters that res... 阅读全文>>

日期：2014-06-17 When it comes to managing boundaries between work responsibilities and home life, technology is our frenemy. Technology, specifically mobile technology, can be alternately used to maintain, erase or manage home and work boundaries along a spectrum.... 阅读全文>>

日期：2014-06-17 For caterpillars（毛毛虫） , having a well-rounded（面面俱到的） diet can be fraught with peril（危险） . UC Irvine and Wesleyan University biologists have learned that caterpillars that feed on one or two plant species are better able to hide from... 阅读全文>>

日期：2014-06-16 Three years ago, Georgia Institute of Technology researchers took a close look at how fire ants work together to build waterproof rafts（救生艇，竹排） to stay alive. By looking at the edges and tops of rafts, the team discovered that ants grip each... 阅读全文>>

日期：2014-06-16 A form of quantum weirdness is a key ingredient for building quantum computers according to new research from a team at the University of Waterloo's Institute for Quantum Computing (IQC). In a new study published in the journal Nature, researchers h... 阅读全文>>

日期：2014-06-16 If the icy surface of Pluto's giant moon Charon is cracked, analysis of the fractures could reveal if its interior was warm, perhaps warm enough to have maintained a subterranean（地下的，秘密的） ocean of liquid water, according to a new NASA-funde... 阅读全文>>

日期：2014-06-16 Researchers from Northwestern University and the University of New Mexico report evidence for potentially oceans worth of water deep beneath the United States. Though not in the familiar liquid form -- the ingredients for water are bound up in rock... 阅读全文>>

日期：2014-06-16 Climate change is unlikely to lead to more days of extreme cold, similar to those that gripped the USA in a deep freeze last winter, new research has shown. The Arctic amplification phenomenon refers to the faster rate of warming in the Arctic compa... 阅读全文>>

日期：2014-06-12 For the last 2.5 million years, our planet has experienced cold and warm, millennia-long cycles that collectively have become known as the Ice Age. During cold periods, continental-scale ice sheets blanketed large tracts of the northern hemisphere.... 阅读全文>>

日期：2014-06-12 Requiring private schools that receive public money to report student test scores improves academic achievement and ultimately enhances school choice, a Michigan State University scholar argues. In a pioneering study, Joshua Cowen and colleagues fou... 阅读全文>>

日期：2014-06-12 A new report, prepared by analysts from the Energy Department's National Renewable Energy Laboratory (NREL) and Lawrence Berkeley National Laboratory (LBNL), reviews estimates of the costs and benefits of compliance with Renewable Portfolio Standard... 阅读全文>>

日期：2014-06-12 We all know that the Internet has killed the traditional newspaper trade, right? After all, until the general population started interacting with the web in the mid-90s, the newspaper business was thriving -- offering readers top notch（大腕，拔尖的... 阅读全文>>

日期：2014-06-12 Dwarf galaxies that orbit the Milky Way and the Andromeda galaxies defy the accepted model of galaxy formation, and recent attempts to wedge（挤入） them into the model are flawed, reports an international team of astrophysicists. David Merritt, pro... 阅读全文>>

日期：2014-06-11 Work presented today at the Goldschmidt Geochemistry Conference in Sacramento, California shows that the timing of the giant impact between Earth's ancestor and a planet-sized body occurred around 40 million years after the start of solar system for... 阅读全文>>

日期：2014-06-11 New research reveals that Caribbean corals and the algae（海藻） that inhabit them form a remarkably stable relationship -- new knowledge that can serve as an important tool in preserving and restoring vital reef-building corals. A scientific paper... 阅读全文>>