日期:2010-09-03 The academic performance of adolescents will suffer in at least one of four key subjects English, math, science, history if their DNA contains one or more of three specific dopamine(多巴胺) gene variations, according to a study led by renowned(著... 阅读全文>>

日期:2010-09-03 Hurricane Earl is still a powerful category four hurricane on the Saffir-Simpson Scale as it approaches the North Carolina coast today. NASA's Tropical Rainfall Measuring Mission ( TRMM热带降水测量 ) satellite observed the high rates rain was fallin... 阅读全文>>

日期:2010-09-02 New research shows that mentally stimulating activities such as crossword puzzles, reading and listening to the radio may, at first, slow the decline of thinking skills but speed up dementia(痴呆) later in old age. The research is published in the... 阅读全文>>

日期:2010-09-02 With growing interest in using nanoparticles for everything from antibacterial(抗菌的) socks to medical imaging to electronic devices, the need to understand the environmental, health and safety risks of these particles also grows. Researchers at... 阅读全文>>

日期:2010-09-02 In Alzheimer's disease, the problem is beta- amyloid(淀粉体) , a protein that accumulates in the brain and causes nerve cells to weaken and die. Drugs designed to eliminate plaques(斑块,瓷片) made of beta-amyloid have a fatal problem: they need... 阅读全文>>

日期:2010-09-02 Physicists at the National Institute of Standards and Technology (NIST) have used a small crystal of ions(离子) (electrically charged atoms) to detect forces at the scale of yoctonewtons. Measurements of slight forcesone yoctonewton is equivalent... 阅读全文>>

日期:2010-09-02 A game-changing technique using near infrared light enables scientists to look deeper into the guts(内脏,胆子) of cells, potentially opening up a new frontier in the fights against cancer and many other diseases. University of Central Florida che... 阅读全文>>

日期:2010-09-02 Researchers at the National Institute of Standards and Technology (NIST) have created quantum cats made of photons(光子) (particles of light), boosting prospects for manipulating light in new ways to enhance precision measurements(精密测量) as w... 阅读全文>>

日期:2010-09-02 Passengers who fly in Developing World countries face 13 times the risk of being killed in an air accident as passengers in the First World. The more economically advanced countries in the Developing World have better overall(全部的) safety record... 阅读全文>>

日期:2010-09-02 A new smart materials process - Multiple Memory Material Technology - developed by University of Waterloo engineering researchers promises to revolutionize the manufacture of diverse(不同的) products such as medical devices, microelectromechanical... 阅读全文>>

日期:2010-09-02 A study in the Sept. 1 issue of the journal SLEEP found an elevated(提高的,高尚的) risk of death in men with a complaint of chronic(慢性的,长期的) insomnia(失眠) and an objectively measured short sleep duration. The results suggest that publ... 阅读全文>>

日期:2010-09-02 NASA's Tropical Rainfall Measuring Mission, or TRMM satellite looked at the rate rain was falling in Hurricane Earl yesterday, and it was intense(强烈的,紧张的) . The TRMM satellite passed close to Hurricane Earl's position early on August 31 at... 阅读全文>>

日期:2010-09-01 For the first time, researchers at Fred Hutchinson Cancer Research Center have identified and isolated adult mammary(乳腺的) stem cells in mice. Long-term implications of this research may include the use of such cells to regenerate breast tissue,... 阅读全文>>

日期:2010-09-01 A tiny marine filter-feeder, that anchors itself to the sea bed, offers new clues to scientists studying the stability of the West Antarctic Ice Sheet a region that is thought to be vulnerable to collapse. As part of a study for the Census of Antarc... 阅读全文>>

日期:2010-09-01 A majority of adults in California are obese(肥胖的) or overweight, and more than 2 million have been diagnosed with diabetes(糖尿病) , according to a new study from the UCLA Center for Health Policy Research. Both conditions which are related t... 阅读全文>>

日期:2010-09-01 It may seem like birds have the freedom to fly wherever they like, but researchers at the University of Missouri have shown that what's on the ground has a great effect on where a bird flies. This information could be used by foresters(林木工人) a... 阅读全文>>

日期:2010-09-01 TORONTO, August 31, 2010 A York University doctoral student who discovered a new species of bee on his way to the lab one morning has completed a study that examines 84 species of sweat bees in Canada. Nineteen of these species including the one Jas... 阅读全文>>

日期:2010-09-01 Inorganic(无机的) elements known to be toxic at low concentrations are being discharged(排出,卸货) to air and water by oilsands(油砂) mining and processing according to University of Alberta (U of A) research findings being published this mon... 阅读全文>>

日期:2010-09-01 Girls eating a high-fat diet during puberty(青春期,开花期) , even those who do not become overweight or obese, may be at a greater risk of developing breast cancer later in life, according to Michigan State University researchers. The implication... 阅读全文>>

日期:2010-09-01 A University of Michigan researcher says it's possible to triple(使成三倍) fuel economy in gasoline-powered cars by 2035, but it'll mean getting our automotive kicks from smart electronic technology and other forms of virtual performance rather th... 阅读全文>>

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