日期:2010-09-01 A new study underscores(强调) the importance for women with a family history of breast or ovarian(卵巢的) cancer to get genetic counseling and testing for the BRCA1 and BRCA2 genes that make them more likely to develop lethal(致命的) breast or... 阅读全文>>

日期:2010-08-31 University of British Columbia researchers have led the development of a new toolbox of MiniPromoters for research and future therapies on brain, spinal cord(脊髓) and eye function. MiniPromoters are small segments(片段) of human DNA with the ab... 阅读全文>>

日期:2010-08-31 Richard Lamb and his post doctoral fellow Virginie Mieulet, in the Faculty of Medicine Dentistry, may be able to explain why proper nutrition(营养) is so vital in fighting infection. They have discovered an amino acid(氨基酸) , called arginine(... 阅读全文>>

日期:2010-08-31 85 percent rate workplace safety first in importance among labor standards, even ahead of family and maternity leave(产假) , minimum wage, paid sick days, overtime pay and the right to join a union, according to a new study from the National Opini... 阅读全文>>

日期:2010-08-31 For competitive bicyclists with goals whether competing in the Tour de France(环法自行车赛) or aiming for the podium(颁奖台,指挥台) at a local race faster cycling comes from training regimens(生活规则,养生法) based on various zones of exerci... 阅读全文>>

日期:2010-08-31 The notion that cutting or burning oneself could provide relief from emotional distress is difficult to understand for most people, but it is an experience reported commonly among people who compulsively(强制地,强迫地) hurt themselves. Individual... 阅读全文>>

日期:2010-08-31 Whether the occasion is a wedding reception(婚宴) or another milestone in life, the feast is a time-honored ritual(仪式,惯例) in which a large meal marks a significant occasion. We know that the Romans, Greeks and Vikings did it, and today it's... 阅读全文>>

日期:2010-08-30 Scientists have identified a genetic basis for determining the severity of allergic(过敏的) asthma(哮喘) in experimental models of the disease. The study may help in the search for future therapeutic strategies to fight a growing medical problem... 阅读全文>>

日期:2010-08-30 Technology developed at the Department of Energy's Oak Ridge National Laboratory that extends the life of light-emitting diode lamps has been licensed to LED North America. The agreement signed today exclusively(唯一地,专有地) licenses a graphite... 阅读全文>>

日期:2010-08-30 Orcus Patera is an enigmatic(神秘的) elliptical(椭圆的) depression near Mars's equator(赤道) , in the eastern hemisphere of the planet. Located between the volcanoes of Elysium Mons and Olympus Mons, its formation remains a mystery. Often over... 阅读全文>>

日期:2010-08-30 New findings by McMaster University researchers contradict(反驳,否定) earlier reports that people with a certain genetic make-up don't benefit from the blood-thinner clopidogrel(氯吡格雷) , also known as Plavix. After researchers from the Unite... 阅读全文>>

日期:2010-08-27 Research from the University of Exeter has revealed taking a dietary supplement to boost nitric oxide(氧化一氮) in the body can significantly boost stamina(毅力,精力) during high-intensity exercise. The study has important implications for athl... 阅读全文>>

日期:2010-08-27 For the first time ever, a completely man-made chemical enzyme(酶) has been successfully used to neutralise(中和,使无效) a toxin found naturally in fruits and vegetables. While studying for her PhD in chemistry at the University of Copenhagen D... 阅读全文>>

日期:2010-08-27 Voices carry, reflect off objects and create echoes. Most people rarely hear the echoes; instead they only process the first sound received. For the hard of hearing, though, being in an acoustically(听觉上,声学上) challenging room can be a proble... 阅读全文>>

日期:2010-08-27 Much of the world's electronic waste is being shipped to China for recycling and the cottage industry(家庭手工业) that has sprung up there to recover usable materials from computers, cell phones, televisions and other goods may be creating signifi... 阅读全文>>

日期:2010-08-27 A new study of the genetic basis of circadian rhythms(生物周期节律) the biological responses related to daily light exposure has found that a few minutes of light exposure in a fungus(真菌,菌类) directly affects a huge range of its biological f... 阅读全文>>

日期:2010-08-27 A new ecological network is urgently needed in Northern Ireland to ensure the continued survival of its precious lizard(蜥蜴) population, according to researchers at Queen's University Belfast. Lizards are found in coastal areas, heath and bogland... 阅读全文>>

日期:2010-08-27 Transforming the U.S. health care system from paper-based to electronic-based may improve health care quality and reduce costs, but a new study by researchers from the Harvard School of Public Health (HSPH) suggests that goal is far off. The adoptio... 阅读全文>>

日期:2010-08-27 Scientists at the University of East Anglia, have shown that fungus(真菌,菌类) -farming ants are using multiple antibiotics(抗生素) as weed killers to maintain their fungus gardens. Research led by Dr Matt Hutchings and published today in the j... 阅读全文>>

日期:2010-08-27 Since 2009, researchers from Bonn and Mexico have been systematically uncovering and mapping the old walls of Uxul, a Mayan city. In the process, we also came across two, about 100m square water reservoirs(蓄水池) , explained Iken Paap, who direct... 阅读全文>>

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