日期:2010-03-25 A team of scientists from The Scripps Research Institute and other institutions has solved the structure of a key protein from the virus that caused last year's swine flu influenza epidemic. The structure reveals that the virus shares many features... 阅读全文>>

日期:2010-03-25 A large population-based study of diabetes(糖尿病) in China conducted by investigators from Tulane University and their colleagues in China has concluded that the disease has reached epidemic(流行病,传染病) proportions in the adult population o... 阅读全文>>

日期:2010-03-24 Utah's red rocks world-famous attractions at numerous national parks, monuments and state parks have yielded(生产,产出) a rare skeleton of a new species of plant-eating dinosaur that lived 185 million years ago and may have been buried alive by a... 阅读全文>>

日期:2010-03-24 Tiny generators developed at the University of Michigan could produce enough electricity from random(任意的,随机的) , ambient(周围的,外界的) vibrations to power a wristwatch, pacemaker or wireless sensor. The energy-harvesting devices, created... 阅读全文>>

日期:2010-03-24 A new model of the Earth, 20 years in the making, describes a dynamic(动力的,动态的) three-dimensional puzzle of planetary proportions. Created by University of Wisconsin-Madison geophysicist Chuck DeMets and longtime collaborators(合作者,投资... 阅读全文>>

日期:2010-03-23 The ancient stone spheres(球体) of Costa Rica were made world-famous by the opening sequence of Raiders of the Lost Ark(夺宝奇兵) , when a mockup(实物模型) of one of the mysterious relics(遗迹) nearly crushed Indiana Jones. So perhaps John H... 阅读全文>>

日期:2010-03-23 Research into why people look favorably(顺利地,亲切地) on a product shows thatas in real lifeeverything is relative. According to a new study in the Journal of Consumer Research, what we think of a product or brand, or how positively or negativel... 阅读全文>>

日期:2010-03-23 Feel like Mom is pushing dessert(餐后甜点) ? According to a new study in the Journal of Consumer Research, consumers choose foods that are less healthy when they are purchasing for others. In a series of studies on food choice, author Juliano Lara... 阅读全文>>

日期:2010-03-23 The sizes of the portions and plates in more than four dozen depictions(描写,叙述) of the Last Supper painted over the past 1,000 years have gradually grown bigger and bigger, according to a Cornell University study published in The International... 阅读全文>>

日期:2010-03-22 What better venue(场所,地点) than San Francisco sourdough(拓荒者,酵母) capital of the world to unveil a new natural sourdough ingredient(要素,原料) that could replace conventional(常见的,惯例的) additives in a variety of other breads, wh... 阅读全文>>

日期:2010-03-22 A new species of dinosaur, a relative of the famous Velociraptor(迅猛龙) , has been discovered in Inner Mongolia by two PhD students. The exceptionally well preserved(保藏的,腌制的) dinosaur, named Linheraptor exquisitus, is the first near comp... 阅读全文>>

日期:2010-03-22 Johns Hopkins scientists have found that a safe and inexpensive antibiotic(抗体) in use since the 1970s for treating acne(痤疮,粉刺) effectively targets infected immune cells in which HIV, the virus that causes AIDS, lies dormant(静止的,休眠... 阅读全文>>

日期:2010-03-22 Scientists at Duke University Medical Center have identified a new growth factor that stimulates(刺激,鼓励) the expansion and regeneration of hematopoietic(生血的,造血的) (blood-forming) stem cells in culture and in laboratory animals. The dis... 阅读全文>>

日期:2010-03-22 Two decades of atomic bomb testing in the atmosphere are yielding(出产,让步) an unexpected bonus for consumers, scientists reported here today at the 239th National Meeting of the American Chemical Society (ACS). It's a new test to determine whet... 阅读全文>>

日期:2010-03-21 Los Angeles, CA (March 18. 2010) The presence of an attractive woman elevates(提升) testosterone(睾丸素) levels and physical risk taking in young men, according to a recent study in the inaugural(就职的,开幕的) issue of Social Psychological a... 阅读全文>>

日期:2010-03-21 Mosquitoes transmit infectious diseases to millions of people every year, including malaria(疟疾) for which there is no effective vaccine. New research published in Insect Molecular Biology reveals that mosquito genetic engineering may turn the tr... 阅读全文>>

日期:2010-03-21 We are surrounded by microorganisms. They inhabit our skin, the air we breathe, the surfaces we touch. In most cases this is not a problem, but there are situations in which these constant companions can be dangerous or even life-threatening. They a... 阅读全文>>

日期:2010-03-21 Recent studies have shown that behaviors such as happiness, obesity(肥大,肥胖) , smoking and altruism(利他主义) are contagious(蔓延的,感染性的) within adult social networks. In other words, your behavior not only influences your friends, but... 阅读全文>>

日期:2010-03-19 Nurses participating in shift work, especially those working rotating shifts(轮流换班) , face a significantly increased risk of developing Irritable Bowel Syndrome ( IBS肠易激综合症 ) and abdominal pain(腹痛) compared to those working a standard... 阅读全文>>

日期:2010-03-19 Leafcutter ant queens can live for twenty years, fertilizing millions of eggs with sperm stored after a single day of sexual activity. Danish researchers who have studied ants at the Smithsonian Tropical Research Institute in Panama since 1992 disco... 阅读全文>>

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