日期：2010-01-17 The death toll死亡人数 in the massive 7.0 magnitude震级，重要 earthquake in Haiti Jan. 12 is expected to continue to rise in the coming days, likely in large part because of corruption and resulting shoddy劣质的，假冒的 construction practices in the... 阅读全文>>

日期：2010-01-15 A new study from Zambia赞比亚 suggests that halting breastfeeding母乳哺育 early causes more harm than good for children not infected with HIV who are born to HIV-positive mothers. Stopping breastfeeding before 18 months was associated with significa... 阅读全文>>

日期：2010-01-15 There are stark完全的，荒凉的 geographical contrasts in the incidence影响，发生率 of colon cancer结肠癌 worldwide. The new study analyses the causes of these disparities不等，不同 , starting with Spanish trends between 1951 and 2006 in terms of cert... 阅读全文>>

日期：2010-01-15 In what might seem rather appropriate weather conditions, the CryoSat-2 Earth Explorer satellite has completed its journey to the Baikonur拜科努尔 launch site in Kazakhstan哈萨克斯坦 , where it will be prepared for launch on 25 February. The satelli... 阅读全文>>

日期：2010-01-15 Barr virus (EBV), a virus of the herpes疱疹 family, has two distinct清楚的，独特的 life phases阶段，时期 : After infecting a cell it first goes into a resting phase. Under certain circumstances the virus can become active and then induces引诱 tumor... 阅读全文>>

日期：2010-01-15 University of Utah scientists discovered that air flows in one direction as it loops through依次通过 the lungs of alligators短吻鳄鱼 , just as it does in birds. The study suggests this breathing method may have helped the dinosaurs' ancestors domina... 阅读全文>>

日期：2010-01-15 A major 7.0- magnitude震级，数量 earthquake struck the Haitian capital of Port-au-Prince on 12 January, causing major casualties and damage. The quake was followed by several aftershocks余震 with magnitudes over 5.0. Such a powerful earthquake can m... 阅读全文>>

日期：2010-01-11 An experimental compound repaired a defective有缺陷的 alcohol metabolism新陈代谢 enzyme酶 that affects an estimated 1 billion people worldwide, according to research supported by the National Institute on Alcohol Abuse and Alcoholism (NIAAA). The fi... 阅读全文>>

日期：2010-01-11 Work done in part by researchers at The University of Texas Health Science Center at Houston has led to the discovery of two new genes that are implicated in ankylosing spondylitis关节固定性脊柱炎 (AS), an inflammatory炎症的 and potentially disablin... 阅读全文>>

日期：2010-01-11 Researchers at the University of Minnesota have discovered a molecular security system in human cells that deactivates and degrades foreign DNA. This discovery could open the door to major improvements in genetic engineering and gene therapy technol... 阅读全文>>

日期：2010-01-11 Ask anyone who suffers from migraine headaches偏头痛 what they do when they're having an attack, and you're likely to hear go into a dark room. And although it's long been known that light makes migraines worse, the reason why has been unclear. Now... 阅读全文>>

日期：2010-01-11 In an important first for a promising new technology, scientists have used a quantum量子 computer to calculate the precise energy of molecular分子的 hydrogen. This groundbreaking开创性的 approach to molecular simulations could have profound implicat... 阅读全文>>

日期：2010-01-07 The United States needs to fundamentally rethink its policy of promoting ethanol乙醇，酒精 to diversify使多样化 its energy sources and increase energy security, according to a new policy paper by Rice University's Baker Institute for Public Policy.... 阅读全文>>

日期：2010-01-07 BOSTON (January 6, 2010) As a growing number of fast food and chain restaurants display the calorie卡路里 content of their dishes on websites and menus, a study suggests some of this information may be unreliable. Researchers at Tufts University ana... 阅读全文>>

日期：2010-01-07 It's time to set the record straight. The only reliable way to lose weight is to eat less or exercise more. Preferably更适宜，较好 both. So why bother to state the obvious? Because a body of scientific literature has arisen over recent years, sugges... 阅读全文>>

日期：2010-01-07 Neuroscientists at the Massachusetts Institute of Technology have developed a powerful new class of tools to reversibly可逆地 shut down brain activity using different colors of light. When targeted to specific neurons神经原 , they could potentially... 阅读全文>>

日期：2010-01-07 An international research project involving the University of Adelaide has revealed that the magnetic field磁场 in the centre of the Milky Way is at least 10 times stronger than the rest of the Galaxy. The evidence is significant because it gives as... 阅读全文>>

日期：2010-01-05 Nasa's Kepler Space Telescope has detected its first five exoplanets, or planets beyond our Solar System. 美国航空航天局的开普勒太空望远镜首次侦测到五个外部行星，即太阳系之外的行星。 The observatory, which was launched last year to find other Earths... 阅读全文>>

日期：2010-01-05 Solar physicists attempting to unlock the mysteries of the solar corona日冕 have found another piece of the puzzle by observing the sun's outer atmosphere during eclipses. Ground-based observations reveal the first images of the solar corona in the... 阅读全文>>

日期：2010-01-05 On 20 November 2009 the third antenna天线，触角 for the ALMA observatory was successfully installed at the Array Operations Site, the observatory's high site on the Chajnantor plateau高原 , at an altitude of 5000 metres in the Chilean Andes. Later,... 阅读全文>>