日期:2011-06-19 After being hit in the eye by a stone, a detached retina(视网膜) left a man blind in his right eye. Despite surgery to remove a cataract(白内障) when the man was 23, which temporarily restored light perception, the patient was completely blind i... 阅读全文>>

日期:2011-06-19 The first six of 18 segments that will form NASA's James Webb Space Telescope's primary mirror for space observations completed final cryogenic(冷冻的) testing this week. The ten week test series included two tests cycles where the mirrors were ch... 阅读全文>>

日期:2011-06-19 A University of Exeter biologist has discovered a 'lost' species of bat breeding on the Isles of Scilly (UK). A pregnant female brown long-eared bat is the first of its species to be found on the islands for at least 40 years. It was discovered by D... 阅读全文>>

日期:2011-06-19 The post-war trend of falling birth rates has been reversed(颠倒,翻转) across Europe, according to a new study. However, despite an increasing emphasis on family and fertility policies in Europe, this recent development involves social, cultural... 阅读全文>>

日期:2011-06-17 Glasses differ from crystals. Crystals are organized in repeating patterns that extend in every direction. Glasses lack this strict organization, but do sometimes demonstrate order among neighboring atoms. New research from Carnegie's Geophysical La... 阅读全文>>

日期:2011-06-17 UT Southwestern Medical Center scientists are shedding new light on why the anesthetic(麻醉的) drug ketamine produces a fast-acting antidepressant response in patients with treatment-resistant depression. The drug's robust effect at low doses as a... 阅读全文>>

日期:2011-06-17 The international T2K collaboration announced today that they have observed an indication(指示) of a new type of neutrino(微中子) transformation or oscillation from a muon neutrino to an electron neutrino. Boston University Professor of Physics... 阅读全文>>

日期:2011-06-17 Hartley 2's hyperactive(极度活跃的) state, as studied by NASA's EPOXI mission, is detailed in a new paper published in this week's issue of the journal Science by an international team of scientists that includes Lucy McFadden of NASA's Goddard Sp... 阅读全文>>

日期:2011-06-16 Assessing the environmental risk of pesticide use is an important, complex task that requires knowledge of the equilibrium(均衡,平静) sorption(吸附作用) parameter. This helps researchers assess the risk of pesticides leaching into groundwater.... 阅读全文>>

日期:2011-06-16 A new Baylor University study has found that sunlight decreases the toxicity of golden algae(金藻) , which kills millions of fish in the southern United States every year. While golden algae is primarily a coastal species, it has been found in Tex... 阅读全文>>

日期:2011-06-16 Having an attractive model shill(充当雇用骗子) for a product only helps influence sales in certain situations, according to a new study in the Journal of Consumer Research. It seems it all depends on the set-up for the advertising. Sometimes attra... 阅读全文>>

日期:2011-06-16 A new study suggests that consuming olive oil may help prevent a stroke in older people. The research is published in the June 15, 2011, online issue of Neurology, the medical journal of the American Academy of Neurology. Our research suggests that... 阅读全文>>

日期:2011-06-15 Over the past decade, much progress has been made regarding the understanding and promise of personalized medicine. Scientists are just beginning to consider the impact of gene-diet interactions in different populations in regards to disease prevent... 阅读全文>>

日期:2011-06-15 Scientists at Harvard University have created a laboratory model using time-lapse(延时的) video microscopic technology that allows observation of early stages of ovarian cancer metastasis. We were able to observe key molecular mechanisms that are... 阅读全文>>

日期:2011-06-15 Eating a low-carbohydrate, high-protein diet may reduce the risk of cancer and slow the growth of tumors already present, according to a study published in Cancer Research, a journal of the American Association for Cancer Research. The study was con... 阅读全文>>

日期:2011-06-15 Although a class schedule with later start times allows colleges students to get more sleep, it also gives them more time to stay out drinking at night. As a result, their grades are more likely to suffer, suggests a research abstract that will be p... 阅读全文>>

日期:2011-06-15 In an analysis of data from several studies, watching television for 2-3 hours per day or more was associated with a higher risk of type 2 diabetes, fatal and nonfatal cardiovascular disease(心血管疾病) and all-cause death, according to a study in... 阅读全文>>

日期:2011-06-14 People with primary insomnia(失眠) may be able to find relief by wearing a cap that cools the brain during sleep, suggests a research abstract that will be presented Monday, June 13, in Minneapolis, Minn., at SLEEP 2011, the 25th Anniversary Meeti... 阅读全文>>

日期:2011-06-14 A paper published online on June 13 in the Journal of Experimental Medicine (www.jem.org) identifies new gene mutations in patients with chronic lymphocytic leukemia(白血病) (CLL)a disease often associated with lack of response to chemotherapy and... 阅读全文>>

日期:2011-06-14 Many economists and sociologists have warned of the social dangers of a wide gap between the richest and everyone else. Now, a new study, which will be published in an upcoming issue of Psychological Science, a journal of the Association for Psychol... 阅读全文>>

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