日期：2011-05-02 If a pregnant woman is exposed to bisphenol A (BPA), especially during the first trimester（三个月） , her child may be at higher risk of wheezing（哮喘） early in life, according to a study to be presented Sunday, May 1, at the Pediatric Academic S... 阅读全文>>

日期：2011-05-02 A drug commonly used to treat kidney cancer may increase the effectiveness of chemotherapy（化学疗法） for mesothelioma（间皮瘤） , according to a study published in the May issue of the Journal of Thoracic Oncology. Temsirolimus, a kinase（激酶） i... 阅读全文>>

日期：2011-05-02 High-performance nanotech materials arrayed on a flat panel platform demonstrated seven to eight times higher efficiency than previous solar thermoelectric generators, opening up solar-thermal electric power conversion to a broad range of residentia... 阅读全文>>

日期：2011-04-28 Fables have long cast scorpions as bad-natured killers of hapless（倒霉的） turtles that naively agree to ferry them across rivers. Michigan State University scientists, however, see them in a different light. Ke Dong, MSU insect toxicologist and ne... 阅读全文>>

日期：2011-04-28 Researchers at the National Institute of Standards and Technology (NIST) have shown that the electronic properties of two layers of graphene（石墨烯） vary on the nanometer scale. The surprising new results reveal that not only does the difference i... 阅读全文>>

日期：2011-04-28 Researchers at Northwestern University have created a new kind of cloaking material that can render objects invisible in the terahertz（兆赫） range. Though this design can't translate into an invisibility cloak for the visible spectrum, it could ha... 阅读全文>>

日期：2011-04-28 As China's economy continues to soar, its energy use and greenhouse gas emissions will keep on soaring as wellor so goes the conventional wisdom. A new analysis by researchers at Lawrence Berkeley National Laboratory (Berkeley Lab) now is challengin... 阅读全文>>

日期：2011-04-28 Several years ago, Suparna Rajaram noticed a strange sort of contagion（传染病，蔓延） in a couple she was close to. One partner acquired dementiaand the other lost the nourishing pleasures of joint reminiscence（回忆，怀旧） . When the other person... 阅读全文>>

日期：2011-04-28 Could veterans of war, rape victims and other people who have seen horrific crimes someday have the traumatic memories that haunt them weakened in their brains? In a new study, UCLA life scientists report a discovery that may make the reduction of s... 阅读全文>>

日期：2011-04-27 As they might with most endangered animals, scientists consider the whereabouts and activities of rig ht whales（露脊鲸） extremely important. It is helpful to know where they go, why they go there and what they do when they're there, says Mark F. B... 阅读全文>>

日期：2011-04-27 Inspection of medical records, case files, and legal affidavits（宣誓书） provides compelling evidence that medical personnel who treated detainees at Guantnamo Bay (GTMO) failed to inquire and/or document causes of physical injuries and psychologic... 阅读全文>>

日期：2011-04-27 On April 26, 1986, history's greatest nuclear accident took place northwest of the Ukrainian city of Chernobyl. Despite the scale of the disaster, 25 years later, we still do not know its real effects. An international team of investigators has show... 阅读全文>>

日期：2011-04-26 Researchers at Queen's University have found a strong association between computer and Internet use in adolescents and engagement in multiple-risk behaviours (MRB), including illicit（违法的） drug use, drunkenness and unprotected sex. This research... 阅读全文>>

日期：2011-04-26 Like people, plants experience stress. And also, like people, the response to that stress can determine success. People can exercise, or rest, or talk about the problem. For plants, ways to deal with stress are internal. And ISU researchers are tryi... 阅读全文>>

日期：2011-04-26 In a paper published in the April 25 early online edition of the Proceedings of the National Academy of Sciences, researchers at the University of California, San Diego School of Medicine, the Gladstone Institutes in San Francisco and colleagues rep... 阅读全文>>

日期：2011-04-24 Engineering researchers the University of Southern California have made a significant breakthrough in the use of nanotechnologies for the construction of a synthetic（合成的，人造的） brain. They have built a carbon nanotube synapse circuit whose be... 阅读全文>>

日期：2011-04-24 We read to know we are not alone, wrote C.S. Lewis. But how do books make us feel we are not alone? Obviously, you can't hold a book's hand, and a book isn't going to dry your tears when you're sad, says University at Buffalo, SUNY psychologist Shir... 阅读全文>>

日期：2011-04-24 Rewilding with taxon（分类单元） substitutes', the intentional introduction of exotic species to fulfil key functions in ecosystems following the loss of recently extinct species, is highly controversial, partly due to a lack of rigorous scientific... 阅读全文>>

日期：2011-04-24 The International and American Associations for Dental Research (IADR/AADR) have published two studies about oral health inequalities in older people and low income individuals. These articles, titled Income-related Inequalities in Dental Service Ut... 阅读全文>>

日期：2011-04-24 Scotland's first fully protected marine reserve, and only the second in the UK, is already providing commercial and conservation benefits, according to new research. After only two years in operation, it is already showing positive signs for both fi... 阅读全文>>