日期：2011-09-19 Researchers have developed a valuable mouse genetic blueprint that will accelerate future research and understanding of human genetics. The international team, led by researchers at the Wellcome Trust Sanger Institute and the University of Oxford, e... 阅读全文>>

日期：2011-09-19 A study by epidemiologists at Wake Forest Baptist Medical Center and colleagues suggests that a high intake of calcium（钙 ） causes prostate cancer among African-American men who are genetically good absorbers of the mineral. High dietary intake of... 阅读全文>>

日期：2011-09-19 Durum wheat（硬质小麦） is a valuable cereal crop（禾谷类作物） widely used for human consumption in the United States, Canada, and several European countries. Scab or Fusarium head blight（枯萎病） is one of the crop's most serious diseases, reduci... 阅读全文>>

日期：2011-09-19 A research team at Michigan State University has developed a laser that could detect roadside bombs -- the deadliest enemy weapon encountered in Iraq and Afghanistan. The laser, which has comparable output to a simple presentation（描述） pointer, p... 阅读全文>>

日期：2011-09-16 Fluctuations（波动） of serotonin（血清素） levels in the brain, which often occur when someone hasn't eaten or is stressed, affects brain regions that enable people to regulate anger, new research from the University of Cambridge has shown. Althoug... 阅读全文>>

日期：2011-09-16 Scientists at the University of Pittsburgh Cancer Institute have begun to uncover how the virus that causes most Merkel cell carcinoma（癌） -- a rare and aggressive skin cancer -- operates, meaning that a rational chemotherapeutic target for this c... 阅读全文>>

日期：2011-09-16 Watching children on the playground, we see them run, climb, slide, get up, and do it all again. While their movements are continuous, we language-users can easily divide them up and name each one. But what about people -- babies -- who don't yet ha... 阅读全文>>

日期：2011-09-16 A new model of obsessive-compulsive disorder (OCD) that mirrors both symptoms of the disease and the timing of its treatment in humans has been created by University of Chicago researchers, according to a new study. Using the model, researchers isol... 阅读全文>>

日期：2011-09-16 Ovarian cancer is a rare but often deadly disease that can strike at any time in a woman's life. It affects one in 70 women and in the past was referred to as a silent killer, but researchers have found there are symptoms associated with ovarian can... 阅读全文>>

日期：2011-09-15 Certain brands bring to mind particular cultures, and consumers react more positively to brand extensions when products match expectations about cultures, according to a new study in the Journal of Consumer Research. That's why a Budweiser barbecue... 阅读全文>>

日期：2011-09-15 UCLA life scientists have identified for the first time a particular gene's link to optimism, self-esteem and mastery, the belief that one has control over one's own life -- three critical psychological resources for coping well with stress and depr... 阅读全文>>

日期：2011-09-15 Did an ancient crocodile relative give the world's largest snake a run for its money? In a new study appearing Sept. 15 in the journal Palaeontology, University of Florida researchers describe a new 20-foot extinct species discovered in the same Col... 阅读全文>>

日期：2011-09-15 A team of researchers from Singapore, Australia, Switzerland, the UK and the USA has carried out a comprehensive assessment to estimate the impact of disturbance（干扰，骚乱） and land conversion on biodiversity in tropical forests. In a recent stud... 阅读全文>>

日期：2011-09-14 Research conducted by Boston College neuroscientist Sean MacEvoy and colleague Russell Epstein of the University of Pennsylvania finds evidence of a new way of considering how the brain processes and recognizes a person's surroundings, according to... 阅读全文>>

日期：2011-09-14 A study by the Autonomous University of Barcelona (UAB in Spanish) and Ramn Llull University have researched the relationship between the sleeping habits, hours slept, and academic performance of children aged between six and seven years of age. Exp... 阅读全文>>

日期：2011-09-14 By combining three previously unrelated imaging tools into one new device, a team of researchers from the University of Connecticut and the University of Southern California has proposed a new way to diagnose early-stage ovarian（卵巢的） cancer in... 阅读全文>>

日期：2011-09-14 Researchers at Mount Sinai School of Medicine have found that thyroid-stimulating hormone (TSH), a hormone produced in the anterior pituitary（垂体前叶） gland that regulates endocrine（内分泌，激素） function in the thyroid gland, can promote bone... 阅读全文>>

日期：2011-09-14 Researchers at Vanderbilt University have developed a new technique that uses a single UV laser pulse to zap（攻击，打败） away biological tissue at multiple points simultaneously, a method that could help scientists study the mechanical forces at w... 阅读全文>>

日期：2011-09-14 A study led by Canadian researchers has found the first evidence that lifelong musicians experience less age-related hearing problems than non-musicians. While hearing studies have already shown that trained musicians have highly developed auditory... 阅读全文>>

日期：2011-09-09 News coverage of Washington politicians and their rhetoric（修辞） appears to have less influence on the American public compared to other news coverage, according to a study by a Michigan State University political scientist. Instead, citizens are... 阅读全文>>