日期:2010-06-04 Feeling sluggish(迟钝的,懒惰的) ? The solution may require getting outside the box that big brick-and-mortar(砖瓦加水泥) box called a building. Being outside in nature makes people feel more alive, finds a series of studies published in the Jun... 阅读全文>> 日期:2010-06-04 McMaster University researchers have discovered a central controller or processing unit (CPU) of a superbug's weaponry(兵器,武器) . An article on the breakthrough appears in the high-impact journal Science today. The team from the Michael G. DeGr... 阅读全文>> 日期:2010-06-04 Less ice covers the Arctic today than at any time in recent geologic(地质的) history. That's the conclusion of an international group of researchers, who have compiled the first comprehensive history of Arctic ice. For decades, scientists have str... 阅读全文>> 日期:2010-06-04 From teachers to hairdressers, people who stand on their feet all day will tell you that the flooring beneath them can be the difference between a good day and a bad one. But can the difference between carpet(地毯) and hard tile flooring(瓷砖地板... 阅读全文>> 日期:2010-06-04 Keyboards located in triage(分类) and registration areas were found to be more contaminated(污染) with bacteria than those in other areas of the Emergency Department at Henry Ford Hospital in Detroit, according to a new study conducted by the ho... 阅读全文>> 日期:2010-06-04 Chinese researchers have successfully built an electromagnetic(电磁的) absorbing(吸引人的) device for microwave frequencies. The device, made of a thin cylinder(汽缸,圆筒) comprising 60 concentric rings of metamaterials(材料) , is capable o... 阅读全文>> 日期:2010-06-04 The Yangtze River in China is 40 million years older than was previously thought, according to new research. A study of minerals by a team led by Durham University reveals that the Yangtze River began to cut the Three Gorges(长江三峡) area around... 阅读全文>> 日期:2010-06-04 Researchers at Mount Sinai School of Medicine have developed a new gene therapy that is safe and effective in reversing advanced heart failure. SERCA2a (produced as MYDICAR) is a gene therapy designed to stimulate(刺激,鼓励) production of an enzy... 阅读全文>> 日期:2010-06-04 Using sophisticated genomic analysis, scientists have probed the ancestry of several Jewish and non-Jewish populations and better defined the relatedness(相关性,关系) of contemporary(当代的) Jewish people. The research, published by Cell Press... 阅读全文>> 日期:2010-06-03 Breast cancer cells - even the most aggressive type - died after treatments with peach and plum extracts(提取物,萃取物) in lab tests at Texas AgriLife Research recently, and scientists say the results are deliciously promising. Not only did the c... 阅读全文>> 日期:2010-06-03 Middle-aged Canadians are much less worried about the future than their American counterparts(相对应的人) , some of whom are close to panic, says an Alberta researcher who has just finished a survey in both countries. And she says the differing at... 阅读全文>> 日期:2010-06-03 If tectonic plate(地壳构造板块 ) collisions cause volcanic eruptions, as every fifth grader knows, why do some volcanoes erupt far from a plate boundary? A study in Nature suggests that volcanoes and mountains in the Mediterranean can grow from th... 阅读全文>> 日期:2010-06-03 The same mutated gene that makes humans more susceptible to the potentially fatal West Nile virus is also responsible for the virus affecting horses, according to scientists at the University of Adelaide, Australia. A naturally occurring mutation(... 阅读全文>> 日期:2010-06-03 People who meditate(考虑,计划) regularly find pain less unpleasant because their brains anticipate(预期,抢先) the pain less, a new study has found. Scientists from The University of Manchester recruited(招募,雇佣) individuals into the study... 阅读全文>> 日期:2010-06-03 As people head to the beach this summer, very few if any(若有的话) , really know how likely they are to develop skin cancer from their outdoor fun. That's about to change, thanks to a new discovery by an international team of scientists that makes... 阅读全文>> 日期:2010-06-03 A previously unknown pattern in DNA methylation(甲基化) - an event that affects cell function by altering gene expression has been uncovered for the first time by stem cell researchers at UCLA, a finding that could have implications(含意,启示)... 阅读全文>> 日期:2010-06-03 With a mass of more than 10 000 suns packed into a volume with a diameter of a mere three light-years, the massive young star cluster(星团) in the nebula(星云) NGC 3603 is one of the most compact stellar clusters in the Milky Way and an ideal pl... 阅读全文>> 日期:2010-06-02 Researchers at the Public University of Navarra, the Polytechnic University of Madrid (CBGP), the University of Malaga, the University of Wisconsin and the Valencian Institute of Agricultural Research have managed to sequence the genome of the bacte... 阅读全文>> 日期:2010-06-02 Cancer patients who've been told to rest and avoid exercise can and should find ways to be physically active both during and after treatment, according to new national guidelines. Kathryn Schmitz, PhD, MPH, an associate professor of Epidemiology(流... 阅读全文>> 日期:2010-06-02 Each year The International Institute for Species Exploration at Arizona State University names the Top 10 new species described in the previous calendar year. The list for 2009 was published to coincide with(与一致) the 303rd anniversary on May 2... 阅读全文>> |
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