日期：2011-12-02 Research conducted by a pair of physicians at Boston University School of Medicine (BUSM) and Boston Medical Center (BMC) has led to the development of a test that can help diagnose membranous（膜状的） nephropathy（肾病） in its early stages. The t... 阅读全文>>

日期：2011-12-02 Less than one-quarter (23%) of children with HIV/AIDS who need treatment are getting it, according to a report released by the World Health Organization (WHO) on the occasion of World AIDS Day (1 December 2011). Although treatment coverage for adult... 阅读全文>>

日期：2011-12-02 Researchers at the University of Pittsburgh have invented a new type of electronic switch that performs electronic logic functions within a single molecule. The incorporation of such single-molecule elements could enable smaller, faster, and more en... 阅读全文>>

日期：2011-12-02 Cortisol（皮质醇） may be the Swiss Army knife of hormones in the human body-just when scientists think they understand what it does, another function pops up. While many of these functions are understood for adults, much less is known about how cor... 阅读全文>>

日期：2011-12-02 Distrust is the central motivating factor behind why religious people dislike atheists（无神论者） , according to a new study led by University of British Columbia psychologists. Where there are religious majorities -- that is, in most of the world... 阅读全文>>

日期：2011-12-02 In the distant reaches of the universe, almost 13 billion light-years from Earth, a strange species of galaxy lay hidden. Cloaked in dust and dimmed（使暗淡） by the intervening（介于中间的） distance, even the Hubble Space Telescope couldn't spy it... 阅读全文>>

日期：2011-12-02 Despite aggressive demand-management policies announced in recent years, China's oil use could easily reach levels comparable to today's U.S. levels by 2040, according to a new energy study by the Baker Institute. The study's authors said this findi... 阅读全文>>

日期：2011-12-02 Traditional media, such as newspapers and television news, require readers and viewers to intentionally seek out news by picking up a newspaper or turning on the television. The Internet and new technologies now are changing the way readers consume... 阅读全文>>

日期：2011-12-02 As the Arctic warms, greenhouse gases will be released from thawing（融化） permafrost（永久冻土） faster and at significantly higher levels than previous estimates, according to survey results from 41 international scientists published in the Nov.... 阅读全文>>

日期：2011-12-02 As global temperatures rise and climatic zones move polewards, species will need to find different environments to prevent extinction. New research, recently published in the journal Molecular Ecology, has revealed that climate change is causing cer... 阅读全文>>

日期：2011-12-02 Imagine a runaway boxcar（货车车厢） heading toward five people who can't escape its path. Now imagine you had the power to reroute the boxcar onto different tracks with only one person along that route. Would you do it? That's the moral dilemma pos... 阅读全文>>

日期：2011-12-02 The International Union of Pure and Applied Chemistry (IUPAC) have recommended new proposed names for elements 114 and 116, the latest heavy elements to be added to the periodic table（周期表） . Scientists of the Lawrence Livermore National Laborat... 阅读全文>>

日期：2011-12-02 Atmospheric carbon dioxide levels plunged by 40 percent before and during the formation of the Antarctic ice sheet 34 million years ago, according to a new study. The finding helps solve a long-standing scientific puzzle and confirms the power of CO... 阅读全文>>

日期：2011-12-01 Scientists in the New York Center for Astrobiology（天体生物学） at Rensselaer Polytechnic Institute have used the oldest minerals on Earth to reconstruct the atmospheric conditions present on Earth very soon after its birth. The findings, which app... 阅读全文>>

日期：2011-12-01 It looks like bone. It feels like bone. For the most part, it acts like bone. And it came off an inkjet printer（喷墨式打印机） . Washington State University researchers have used a 3-D printer to create a bone-like material and structure that can b... 阅读全文>>

日期：2011-12-01 Scientists at Joslin Diabetes Center in Boston have uncovered important molecular and genetic keys to the development of soft-tissue sarcomas（肉瘤） in skeletal（骨骼的） muscle, giving researchers and clinicians additional targets to stop the grow... 阅读全文>>

日期：2011-12-01 Geophysicists from Potsdam have established a mode of action that can explain the irregular distribution of strong earthquakes at the San Andreas Fault in California. As the science magazine Nature reports in its latest issue, the scientists examine... 阅读全文>>

日期：2011-12-01 New research from North Carolina State University shows that some smartphones specifically designed to support the Android mobile platform have incorporated additional features that can be used by hackers to bypass（绕开，忽视） Android's security f... 阅读全文>>

日期：2011-11-30 Bones contained entirely within the skin of some of the largest dinosaurs on Earth might have stored vital minerals to help the massive creatures survive and bear their young in tough times, according to new research by a team including a University... 阅读全文>>

日期：2011-11-30 Researchers at The Children's Hospital of Philadelphia's Center for Injury Research and Prevention studied nearly 1,000 1- to 8-year-old children involved in crashes and found no evidence of increased injury risk for children across a broad weight r... 阅读全文>>