日期：2010-07-14 An immune-system protein already used to treat diseases like multiple sclerosis（硬化） , hepatitis C（丙型肝炎） and a variety of cancers might also aid asthma（哮喘） patients, UT Southwestern Medical Center researchers have found. The investigato... 阅读全文>>

日期：2010-07-14 NASA's GOES Project has just released a movie of satellite imagery showing the life and times of 2010's only June hurricane. From birth to death, the GOES-13 satellite kept an eye on the life and times（当时的生活情形） of Hurricane Alex for two wee... 阅读全文>>

日期：2010-07-13 Struggling with your chip shot（打高球，削球） ? Constant drills with your wedge（楔子） may not help much, but mixing in longer drives will, and a new study shows why. Previous studies have shown that variable practice improves the brain's memory o... 阅读全文>>

日期：2010-07-13 Older adults with low levels of vitamin D appear more likely to experience declines in thinking, learning and memory over a six-year period, according to a report in the July 12 issue of Archives of Internal Medicine, one of the JAMA/Archives journa... 阅读全文>>

日期：2010-07-13 A tiny clay fragment（碎片） dating from the 14th century B.C.E. that was found in excavations（挖掘，发掘） outside Jerusalem's Old City walls contains the oldest written document ever found in Jerusalem, say researchers at the Hebrew University of... 阅读全文>>

日期：2010-07-09 Social competence（社交能力） and behavior problems that are evident at kindergarten and first grade are known to be strong predictors of a child's academic and social functioning. However, findings reported in the July issue of the Journal of the A... 阅读全文>>

日期：2010-07-09 In 20 years, approximately 72 million older adults will reside in（居住，存在于） the United States, almost double the current number, according to the U.S. Administration on Aging. Potential issues are compounded by the projected shortage of health... 阅读全文>>

日期：2010-07-09 Scientists have discovered a compound that restores the capacity to form new memories in aging rats, likely by improving the survival of newborn neurons（神经原，神经细胞） in the brain's memory hub. The research, funded in part by the National Inst... 阅读全文>>

日期：2010-07-09 Happier youths are also healthier youths, according to Emily Shaffer-Hudkins and her team, from the University of South Florida in the US. Adolescents' positive emotions and moods, as well as their satisfaction with life, could be more important tha... 阅读全文>>

日期：2010-07-09 A new system for the controlled delivery of pharmaceutical（制药的） drugs has been developed by a team of University of Rhode Island chemical engineers using nanoparticles embedded（嵌入） in a liposome（脂质体） that can be triggered by non-invasi... 阅读全文>>

日期：2010-07-09 Having discovered a dramatic increase of an easy-to-detect enzyme（酶） in the red blood cells of people with diabetes and prediabetes（前驱糖尿病） , Johns Hopkins scientists say the discovery could lead to a simple, routine test for detecting the... 阅读全文>>

日期：2010-07-09 For decades, scientists have speculated（推测，思索） about why some fireflies（萤火虫） exhibit synchronous（同步的，同时的） flashing, in which large groups produce rhythmic, repeated flashes in unison（一致地） sometimes lighting up a whole fores... 阅读全文>>

日期：2010-07-09 When Nicholas Longrich discovered a new dinosaur species with a heart-shaped frill（装饰） on its head, he wanted to come up with a name just as flamboyant（艳丽的，炫耀的） as the dinosaur's appearance. Over a few beers with fellow paleontologists... 阅读全文>>

日期：2010-07-07 It is well-documented that when negotiating winding roads, drivers tend to look at a specific, well-defined point on the lane marking referred to as the tangent point（切点） . New research finds that the further drivers can look ahead, generally in... 阅读全文>>

日期：2010-07-07 At first glance it may seem like a good idea to be a fish living the quiet life on a small and isolated reef. But a team of researchers has found that the opposite is the case（情况属实） on Australia's Great Barrier Reef. Using 15 years of long-ter... 阅读全文>>

日期：2010-07-07 Researchers have linked rejection by a romantic partner to brain activity associated with motivation, reward and addiction cravings（渴望） , according to a study published in the July issue of the Journal of Neurophysiology. Lucy Brown, Ph.D., clin... 阅读全文>>

日期：2010-07-06 While pregnant women may worry about the effects of air pollution on their health and that of their developing child, exposure to carbon monoxide（一氧化物） and fine particles（微粒） in the air during pregnancy does not appear to increase the risk... 阅读全文>>

日期：2010-07-06 The world's biggest Roman candle has got nothing on this. Using super-high pressures similar to those found deep in the Earth or on a giant planet, Washington State University researchers have created a compact, never-before-seen material capable of... 阅读全文>>

日期：2010-07-06 A new study shows that having depression may nearly double your risk of developing dementia（痴呆） later in life. The research will be published in the July 6, 2010, issue of Neurology, the medical journal of the American Academy of Neurology. For... 阅读全文>>

日期：2010-07-06 Long-term supplementation with dietary antioxidants（抗氧化剂） has beneficial effects on sugar and fat metabolism（脂肪代谢） , blood pressure and arterial（动脉的） flexibility（灵活性，弹性） in patients with multiple cardiovascular risk factors.... 阅读全文>>