日期:2010-04-23 Martial arts(武术) could be the key to helping osteoporosis(骨质疏松症) sufferers fall more safely. A study published in the open access journal BMC Research Notes has found that martial arts training can likely be carried out safely. Brenda Gro... 阅读全文>> 日期:2010-04-23 In recognition of(按照,承认) Earth Day's 40th anniversary, publisher Mary Ann Liebert, Inc. (www.liebertpub.com) will provide complimentary(问候的,称赞的) online access to its journals in the field of sustainability(永久性,持续性) , includi... 阅读全文>> 日期:2010-04-23 In a report published today in the journal Genome Research, scientists report finding strong genetic evidence supporting the theory there are several species of killer whales(虎鲸) (Orcinus orca, also known as orcas) throughout the world's oceans.... 阅读全文>> 日期:2010-04-22 Veterinary(兽医的) ophthalmology(眼科学) researchers from the University of Pennsylvania have used gene therapy to restore retinal cone(视锥) function and day vision in two canine(犬科的) models of congenital(先天的,天生的) achromatopsia... 阅读全文>> 日期:2010-04-22 Researchers at Johns Hopkins say they have discovered the way in which red wine consumption may protect the brain from damage following a stroke. Two hours after feeding mice a single modest(谦虚的,适度的) dose of resveratrol(白藜芦醇) , a comp... 阅读全文>> 日期:2010-04-22 Towards the heart of the Milky Way, 5500 light-years from Earth in the constellation(星座,荟萃) of Scorpius (the Scorpion), the Cat's Paw Nebula stretches across 50 light-years. In visible light, gas and dust are illuminated(照明,启发) by hot... 阅读全文>> 日期:2010-04-22 Venus Express has completed an 'aerodrag' campaign that used its solar wings as sails to catch faint wisps(小捆,小缕) of the planet's atmosphere. The test used the orbiter as an exquisitely(精巧地,精致地) accurate sensor to measure atmospheric... 阅读全文>> 日期:2010-04-22 The discovery 15 years ago that the genes BRCA1 and BRCA2 confer(授予,给予) high risks for breast and ovarian(卵巢的,子房的) cancer was a breakthrough for cancer prediction and therapy, especially for familial cases. Now the research group of... 阅读全文>> 日期:2010-04-21 A study by the Columbia Center for Children's Environmental Health (CCCEH) carried out in Krakow, Poland has found that prenatal(产前的,胎儿期的) exposure to pollutants(污染物) can adversely(不利地,反对地) affect children's cognitive(认知的... 阅读全文>> 日期:2010-04-21 NASA's Aqua and Terra satellites fly around the world every day capturing images of weather, ice and land changes. Over the last three days these satellites have provided visible and infrared(红外线的) imagery of the ash plume(灰羽) from the Eyj... 阅读全文>> 日期:2010-04-18 A firewall is the safety barrier between a computer network and the outside world. Individuals, companies and large organizations alike rely on a firewall being robust(强健的,健康的) enough to fend off(挡开,避开) hackers attempting to break in... 阅读全文>> 日期:2010-04-18 Banning trans fats(转化型脂肪酸) from all foods in the UK would prevent thousands of heart attacks and deaths every year, and would be a simple way to protect the public and save lives, say two senior doctors on bmj.com today. Their views follow c... 阅读全文>> 日期:2010-04-18 NASA's Terra satellite has captured another image of Iceland's Eyjafjallajkull volcano ash cloud, now moving into Germany. Eyjafjallajkull continues to spew(呕吐,喷出) ash into the air and the ash clouds are still impacting(冲击,影响) air trav... 阅读全文>> 日期:2010-04-16 This image, acquired today by ESA's Envisat satellite, shows the vast cloud of volcanic ash(火山灰) sweeping across the UK from the eruption(爆发,喷发) in Iceland, more than 1000 km away. Carried by winds high up in the atmosphere, the cloud of... 阅读全文>> 日期:2010-04-15 New research reveals a brain circuit that seems to underlie the ability of humans to resist instant gratification(满意,喜悦) and delay reward for months, or even years, in order to earn a better payoff. The study, published by Cell Press in the A... 阅读全文>> 日期:2010-04-15 A cat can recognize a face faster and more efficiently than a supercomputer. That's one reason a feline(猫科的) brain is the model for a biologically-inspired computer project involving the University of Michigan. U-M computer engineer Wei Lu has... 阅读全文>> 日期:2010-04-15 Solar power in southeastern Ontario(安大略湖) has the potential to produce almost the same amount of power as all the nuclear reactors in the United States, according to two studies conducted by the Queen's University Applied Sustainability(持续... 阅读全文>> 日期:2010-04-15 An international team of Oregon State University scientists, documentary(纪录片) filmmakers and environmental advocates(拥护者,提倡者) has uncovered an apparent illegal trade in whalemeat, linking whales killed in Japan's controversial scientif... 阅读全文>> 日期:2010-04-15 Exclusive(排外的,专一的) licenses to gene patents, most of which are held by academic institutions and based on taxpayer-funded research, do more to block competition in the gene testing market than to spur(激励,鞭策) the development of new te... 阅读全文>> 日期:2010-04-14 A group of women in a new study seemed unlikely to have body image issues at least their responses on a tried-and-true psychological screening presented no red flags. That assessment changed when Brigham Young University researchers used MRI technol... 阅读全文>> |
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