日期:2014-11-21 迈克尔莫斯利说过,不是所有人都有机会去健身房,但就算做家务也能健身。这是真的吗? Not everyone can get to the gym - but is it really possible to get fit by just doing one's chores, asks Michael Mosley. You might want to read this article while standi... 阅读全文>>

日期:2014-11-21 近日一项研究发现,一次10秒的深情拥吻不仅传递了爱意,而且还传递了至少8000万的口腔细菌。研究人员表示,法式热吻就是短时间传递大量口腔细菌的绝佳案例。 A single 10-second kiss can transfer as many as 80 million bacteria, according to Dutch scientists. Th... 阅读全文>>

日期:2014-11-20 Triclosan is an antimicrobial commonly found in soaps, shampoos, toothpastes and many other household items. Despite its widespread use, researchers at University of California, San Diego School of Medicine report potentially serious consequences of... 阅读全文>>

日期:2014-11-20 Researchers at Indiana University-Purdue University Indianapolis say acculturative stress may explain, in part, why Indiana's Latino youth face an alarming disparity in depression and suicide rates when compared to their white counterparts. While ex... 阅读全文>>

日期:2014-11-20 Scientists at The Scripps Research Institute (TSRI) have identified weak spots on the surface of Ebola virus that are targeted by the antibodies in ZMapp, the experimental drug cocktail administered to several patients during the recent Ebola outbre... 阅读全文>>

日期:2014-11-20 Why is Jamaica, with a population smaller than that of Los Angeles, home to so many of the world's elite sprinters -- runners who compete in the 100, 200, 400 and 800-meter races? Robert Trivers, an evolutionary biologist and professor of anthropolo... 阅读全文>>

日期:2014-11-20 Today, scientists at the Natural Capital Project share new science and open source software that can calculate risk to coastal and marine ecosystems. These novel tools, described in the journal Environmental Research Letters, were used to design the... 阅读全文>>

日期:2014-11-20 Museum biological collections are the records of life on Earth and as such, they are frequently used to investigate serious environmental issues. When public health officials were concerned about the levels of mercury in fish and birds, for example,... 阅读全文>>

日期:2014-11-19 Researchers at Western University are using cutting-edge genetic mutation-analysis software developed in their lab to interpret mutations in tumour genome that may provide insight into determining which breast cancer tumours are more likely spread t... 阅读全文>>

日期:2014-11-19 Promoting and maintaining financial fraud whistleblower programs, such as those of the Securities and Exchange Commission (SEC) and the Commodity Futures Trading Commission (CFTC), is costly. Cases involving whistleblowers require significant resour... 阅读全文>>

日期:2014-11-19 When a viral infection spread through five genetically identical mice in a row, the virus replicated faster and became more virulent or severe. But when the infection spread one-by-one through five genetically diverse mice, the virus had trouble ada... 阅读全文>>

日期:2014-11-19 As genome sequencing has gotten faster and cheaper, the pace of whole-genome sequencing has accelerated, dramatically increasing the number of genomes deposited in public archives. Although these genomes are a valuable resource, problems can arise w... 阅读全文>>

日期:2014-11-19 A research team from Germany developed an analytical model to describe the structural dynamics of photoexcited thin films and verified it by ultrafast X-ray diffraction. Lattice dynamics, atomic movements in a crystal structure, can influence the ph... 阅读全文>>

日期:2014-11-19 The everyday use of a GPS device might be to find your way around town or even navigate a hiking trail, but for two physicists, the Global Positioning System might be a tool in directly detecting and measuring dark matter, so far an elusive but ubiq... 阅读全文>>

日期:2014-11-19 An ultra-high-resolution NASA computer model has given scientists a stunning new look at how carbon dioxide in the atmosphere travels around the globe. Plumes of carbon dioxide in the simulation swirl and shift as winds disperse the greenhouse gas a... 阅读全文>>

日期:2014-11-16 这貌似是一个奇怪的反应:当你高兴的时候会流泪。不过,一些心理学家称,他们发现了其中的原因,喜极而泣很有可能是身体恢复情感平衡的方式。 It may seem like a strange response: to break down in tears when you are happy. But now a group of psychologists say... 阅读全文>>

日期:2014-11-14 In an unexpected mashup of financial and mechanical engineering, researchers have discovered that the same modeling used to forecast fluctuations in the stock market can be used to predict aspects of animal behavior. Their work proposes an unprecede... 阅读全文>>

日期:2014-11-14 Silicon, which is one of the most common elements in Earth's crust, is also sprinkled abundantly throughout interstellar space. The only way to identify silicon-containing molecules in the far corners of the cosmos -- and to understand the chemistry... 阅读全文>>

日期:2014-11-14 Shark populations in the Mediterranean are highly divided, an international team of scientists, led by Dr Andrew Griffiths of the University of Bristol, has shown. Many previous studies on sharks suggest they move over large distances. But catsharks... 阅读全文>>

日期:2014-11-14 The loss of eyesight, often caused by retinal degeneration, is a life-altering health issue for many people, especially as they age. But a new development toward a prosthetic retina could help counter conditions that result from problems with this c... 阅读全文>>

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