日期：2013-11-13 People get type 2 diabetes（糖尿病） . So do cats. But rats don't, and neither do dogs. Subtle differences in the shape of proteins protect some and endanger others. All mammals make this same protein called amylin（淀粉不溶素） , and it only differ... 阅读全文>>

日期：2013-11-13 Reconstructing the rise of life during the period of Earth's history when it first evolved is challenging. Earth's oldest sedimentary rocks（沉积岩） are not only rare, but also almost always altered by hydrothermal（热源的） and tectonic activity.... 阅读全文>>

日期：2013-11-13 Despite their almost incomprehensibly（不可思议地） small size -- a diameter about one ten-thousandth the thickness of a human hair -- single-walled carbon nanotubes come in a plethora（过多，过剩） of different species, each with its own structure... 阅读全文>>

日期：2013-11-13 The American College of Cardiology and the American Heart Association today released a new clinical practice guideline for the treatment of blood cholesterol（胆固醇） in people at high risk for cardiovascular diseases caused by atherosclerosis（动... 阅读全文>>

日期：2013-11-12 The ever-increasing adoption of digital surveillance technologies by local police departments may dramatically improve the efficiency of criminal investigations, but it also creates the opportunity for abuse and misuse, a University of Illinois expe... 阅读全文>>

日期：2013-11-12 Banning the practice of throwing unmarketable（不能上市出售的） or over-quota fish back into the sea is just one of the measures needed to deliver sustainable fisheries according to new research from the University of East Anglia. Research carried o... 阅读全文>>

日期：2013-11-12 In the eyes of a female poison-dart frog, a red male isn't much brighter than a green one. This does not however mean that the mating behavior of the green and red variants of the same species of frog is exactly the same. A study in Springer's journ... 阅读全文>>

日期：2013-11-12 Investigators at Boston Children's Hospital report that infants dying suddenly and unexpectedly, in both safe and unsafe sleep environments, have underlying brainstem（脑干） abnormalities and are not all normal prior to death（死亡前） . The resear... 阅读全文>>

日期：2013-11-12 Australian researchers have found that zinc can 'starve' one of the world's most deadly bacteria by preventing its uptake of an essential metal. The finding, by infectious disease researchers at the University of Adelaide and The University of Queen... 阅读全文>>

日期：2013-11-11 Many parents worry their child's bad behaviour is a result of their parenting mistakes, but new research suggests this may not be the case. 许多家长担心孩子出现不良行为是自己教育不当的结果，但是新的研究表明，事实并非如此。 A study found that some ch... 阅读全文>>

日期：2013-11-11 Though genetics of skin pigmentation has shown recent advancements in the last decade, studies involving populations of South Asia, one of the major hot spots of pigmentation diversity, is still in its infancy. In a recent study publishing in PloS G... 阅读全文>>

日期：2013-11-11 Supernovae are intensely bright objects. They are formed when a star reaches the end of its life with a dramatic explosion, expelling（驱逐，排出） most of its material out into space. The subject of this new Hubble image, spiral galaxy NGC 6984, pl... 阅读全文>>

日期：2013-11-11 Reducing salt intake provides clear benefits for the heart and kidney health of patients with chronic kidney disease, according to a study appearing in an upcoming issue of the Journal of the American Society of Nephrology (JASN). The findings point... 阅读全文>>

日期：2013-11-11 Tiny self-assembling transport networks, powered by nano-scale motors and controlled by DNA, have been developed by scientists at Oxford University and Warwick University. The system can construct its own network of tracks spanning tens of micrometr... 阅读全文>>

日期：2013-11-08 Those born earlier perform better in schooland according to a new study, it's because of the parents. 根据一个新调查显示家庭中更早出生的孩子一般会比他们的弟弟妹妹在学校里表现得好，并且原因有可能就在于他们的父母。 Moms and dads simply go easy on thei... 阅读全文>>

日期：2013-11-08 世界卫生组织的国际癌症研究机构将大气污染归为致癌物。据称，有充分证据证实，暴露在大气污染下的户外会导致肺癌，而且还会有增加患膀胱癌的风险。 Cityscapes shrouded in thick smog have become a common scene in China. Last winter, Beijing's 'airpocalypse' g... 阅读全文>>

日期：2013-11-08 Discovering a new species is, among biologists, akin to（近似） hitting a grand slam, and University of South Carolina ichthyologist（鱼类学者） Joe Quattro led a team that recently cleared the bases. In the journal Zootaxa, they describe a rare sha... 阅读全文>>

日期：2013-11-08 Changes are already happening to Earth's climate due to the burning of fossil fuels, deforestation and large-scale agriculture. As changes get more pronounced, people everywhere will have to adjust. In this week's issue of the journal Science, an in... 阅读全文>>

日期：2013-11-08 Eye contact during early infancy may be a key to early identification of autism（自闭症） , according to a study funded by the National Institute of Mental Health (NIMH), part of the National Institutes of Health. Published this week in the journal... 阅读全文>>

日期：2013-11-08 Astronomers using the NASA/ESA Hubble Space Telescope have observed a unique and baffling（令人困惑的） object in the asteroid（小行星） belt that looks like a rotating lawn sprinkler（洒水车） or badminton shuttlecock. While this object is on an as... 阅读全文>>