日期:2010-03-11 A study on the past extinction of large mammals in India by the Wildlife Conservation Society, Duke University, and other groups has found that country's protected area system and human cultural tolerance for some species are key to conserving(保存... 阅读全文>>

日期:2010-03-11 A 10-year effort by a University of Rhode Island scientist to develop transgenic(转基因的) rainbow trout(虹鳟鱼) with enhanced muscle growth has yielded fish with what have been described as six-pack abs and muscular shoulders that could provide... 阅读全文>>

日期:2010-03-11 The Institute for Systems Biology (ISB) has analyzed the first whole genome(基因组) sequences of a human family of four. The findings of a project funded through a partnership between ISB and the University of Luxembourg was published online today... 阅读全文>>

日期:2010-03-10 The sooner people with diabetes start taking metformin(二甲双胍) , the longer the drug remains effective, according to a Kaiser Permanente study published in the March issue of Diabetes Care, a journal of the American Diabetes Association. The stu... 阅读全文>>

日期:2010-03-10 A recent Kansas State University study found that the availability of supermarkets -- rather than the lack of them --increased the risk of obesity(肥大,肥胖) for low-income women living in small cities. This suggests that policies to increase hea... 阅读全文>>

日期:2010-03-10 University of Minnesota researcher George Weiblen and colleagues have found a faster way to study the spread and diet of insect pests. Using a technique called DNA barcoding, which involves the identification of species from a short DNA sequence, We... 阅读全文>>

日期:2010-03-10 A new American Cancer Society study finds progress in reducing cancer death rates is evident whether measured against baseline rates in 1970 or in 1990. The study appears in the open access(开放存取,开架阅览) journal PLos ONE, and finds a downtur... 阅读全文>>

日期:2010-03-10 The massive magnitude(震级,大小) 8.8 earthquake that struck the west coast of Chile last month moved the entire city of Concepcion at least 10 feet to the west, and shifted other parts of South America as far apart as the Falkland Islands and For... 阅读全文>>

日期:2010-03-09 Geraniums(天竺葵) may hold the key to controlling the devastating Japanese beetle(日本金龟子) , which feeds on nearly 300 plant species and costs the ornamental plant(观赏植物) industry $450 million in damage each year, according to scientists... 阅读全文>>

日期:2010-03-09 A team of scientists has discovered that the drastic(激烈的,猛烈的) decline in Arctic musk ox(麝牛) populations that began roughly 12,000 years ago was due to a warming climate rather than to human hunting. This is the first study to use ancien... 阅读全文>>

日期:2010-03-09 Another weapon in the arsenal(兵工厂,军械库) against cancer: Nanoparticles that identify, target and kill specific cancer cells while leaving healthy cells alone. Led by Carl Batt, the Liberty Hyde Bailey Professor of Food Science, the researcher... 阅读全文>>

日期:2010-03-07 An Agricultural Research Service (ARS) scientist is helping to sort through the jumbled(乱七八糟的) genetics of Echinacea(紫锥花属) , the coneflower(金花菊) known for its blossoms--and its potential for treating infections, inflammation, and o... 阅读全文>>

日期:2010-03-07 There's an epidemic(流行病,传染病) in progress, and it has nothing to do with the flu. A ground-breaking study published in the March 2010 Journal of Clinical Endocrinology and Metabolism found an astonishing 59 percent of study subjects had too... 阅读全文>>

日期:2010-03-07 A defendant is much more likely to be sentenced to death if he or she kills a high-status victim, according to new research by Scott Phillips, associate professor of sociology(社会学) and criminology(犯罪学,刑事学) at the University of Denver (... 阅读全文>>

日期:2010-03-07 Electromagnetic pulses(电磁脉冲) significantly decrease pain and inflammation associated with osteoarthritis(骨关节炎) of the knee, according to Henry Ford Hospital researchers. In the double-blind, randomized(随机的) placebo-controlled study,... 阅读全文>>

日期:2010-03-05 Located half a billion light-years from Earth, ESO 306-17, is a large, bright elliptical galaxy(椭圆星系) in the southern sky of a type known as a fossil group. Astronomers use this term to emphasise the isolated nature of these galaxies. However,... 阅读全文>>

日期:2010-03-05 Imagine a mosquito- borne(忍受,负荷) virus that has already infected millions of people in recent outbreaks in South and Southeast Asia, the islands of the Indian Ocean, Africa and northern Italy. Although seldom fatal(致命的,毁灭性的) , it ca... 阅读全文>>

日期:2010-03-04 The experimental drug belatacept can prevent graft rejection(移植排斥) in kidney transplant recipients while better preserving kidney function when compared with standard immunosuppressive(免抑制疫力的,抑制免疫力的) drugs, data from two interna... 阅读全文>>

日期:2010-03-04 A daily dose of vitamin D may just be what Chicagoans need to get through the long winter, according to researchers at Loyola University Chicago Marcella Niehoff School of Nursing (MNSON). This nutrient lifts mood during cold weather months when day... 阅读全文>>

日期:2010-03-04 CSIRO scientist Dr Tara Sutherland and her team have achieved another important milestone in the international quest(追求,寻找) to artificially produce insect silk. They have hand-drawn fine threads of honeybee silk from a 'soup' of silk proteins... 阅读全文>>

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