日期：2012-02-14 Air pollution, even at levels generally considered safe by federal regulations, increases the risk of stroke by 34 percent, Beth Israel Deaconess Medical Center researchers have found. Writing in the Feb. 14, 2012 issue of the Archives of Internal M... 阅读全文>>

日期：2012-02-14 Eating fructose（果糖） over an extended period of time does not lead to an increase in blood pressure, according to researchers at St. Michael's Hospital. A new study has found that despite previous research showing blood pressure rose in humans im... 阅读全文>>

日期：2012-02-14 In a study of the molecular underpinnings of plants' pest resistance, Rice University biologists have shown that plants both anticipate daytime raids by hungry insects and make sophisticated preparations to fend them off. When you walk past plants,... 阅读全文>>

日期：2012-02-14 A large, prospective study led by a researcher at Rush University Medical Center indicates that chronic exposure to particulate（微粒的） air pollution may accelerate cognitive decline in older adults. The results of the study will be published in t... 阅读全文>>

日期：2012-02-14 When it comes to choosing a place to hang out（闲逛） , big reef fish like coral trout（鲑鱼） , snappers and sweetlips have strong architectural preferences. The choices big fish make on where to shelter could have a major influence on their abilit... 阅读全文>>

日期：2012-02-13 Whether or not you know any high school students that actually get nine hours of sleep each night, that's what U.S. federal guidelines currently prescribe. A new Brigham Young University study found that 16-18 year olds perform better academically w... 阅读全文>>

日期：2012-02-13 In a new study presented at the Society for Maternal-Fetal Medicine's annual meeting, The Pregnancy Meeting , in Dallas, Texas, researchers have reported that early transplantation of human placenta-derived mesenchymal（间叶细胞的） stem cells into... 阅读全文>>

日期：2012-02-13 The giant black hole at the center of the Milky Way may be vaporizing and devouring（吞食，毁灭） asteroids, which could explain the frequent flares observed, according to astronomers using data from NASA's Chandra X-ray Observatory. For several yea... 阅读全文>>

日期：2012-02-13 Drivers who consume cannabis（大麻） within three hours of driving are nearly twice as likely to cause a vehicle collision as those who are not under the influence of drugs or alcohol claims a paper published recently on the British Medical Journal... 阅读全文>>

日期：2012-02-13 Not surprisingly, victims of a natural disaster can experience stress and anxiety, but a new study indicates that it might also cause them to make more errors -- some serious- in their daily lives. In their upcoming Human Factors article, Earthquake... 阅读全文>>

日期：2012-02-13 Researchers at Northwestern University have developed a new method for creating scaffolds（支架） for tissue engineering applications, providing an alternative that is more flexible and less time-intensive than current technology. A paper describing... 阅读全文>>

日期：2012-02-13 For roughly two thousand years, Chinese herbalists have treated Malaria using a root extract, commonly known as Chang Shan, from a type of hydrangea（绣球花） that grows in Tibet and Nepal. More recent studies suggest that halofuginone（卤夫酮） , a... 阅读全文>>

日期：2012-02-09 Researchers at Zucker Hillside Hospital's Recognition and Prevention (RAP) Program who have worked with teenagers at risk for serious mental illness for the past decade are now studying the effectiveness of Omega 3 fatty acids (fish oil) for treatin... 阅读全文>>

日期：2012-02-09 The collapse of the Soviet Union in 1992 brought an influx（流入，汇集） of Soviet mathematicians to U.S. institutions, and those scholars' differing areas of specialization have changed the way math is studied and taught in this country, according... 阅读全文>>

日期：2012-02-09 New research presented at the 2012 Annual Meeting of the American Academy of Orthopaedic（整形外科的） Surgeons (AAOS) highlights the benefits of total knee replacement (TKR) in elderly patients with osteoarthritis（骨关节炎） , including a lower pr... 阅读全文>>

日期：2012-02-09 Ever gone to the movies and forgotten where you parked the car? New UCLA research may one day help you improve your memory. UCLA neuroscientists have demonstrated that they can strengthen memory in human patients by stimulating a critical junction i... 阅读全文>>

日期：2012-02-08 A new study provides compelling（引人注目的） evidence that the arrival of the invasive non-native harlequin（丑角） ladybird (ladybug) to mainland Europe and subsequent spread has led to a rapid decline in historically-widespread species of ladybir... 阅读全文>>

日期：2012-02-08 A new study published in the journal Respirology（呼吸病学） reveals that a high level of soft drink consumption is associated with asthma and/or chronic obstructive pulmonary disease ( COPD慢性阻塞性肺病 ). Led by Zumin Shi, MD, PhD, of the Univers... 阅读全文>>

日期：2012-02-08 Americans' knowledge of facts about the polar regions of the globe has increased since 2006, but this increase in knowledge has not translated into more concern about changing polar environments, according to new research from the Carsey Institute a... 阅读全文>>

日期：2012-02-08 An international team of scientists has demonstrated a revolutionary new way of magnetic recording which will allow information to be processed hundreds of times faster than by current hard drive technology. The researchers found they could record i... 阅读全文>>