15-02-27 What is it like to be old in the United States? What will our own lives be like when we are old? Americans find it difficult to think about old age until they are propelled into the midst of it by their own aging and that of relatives and friends. A...

15-02-25 Despite notable differences in appearance and governance, ancient human settlements function in much the same way as modern cities, according to new findings by researchers at the Santa Fe Institute and the University of Colorado Boulder. Previous r...

15-02-23 Eternal youth could be one step closer following the successful transformation of old human cells into young ones. 随着科学家成功地将人体衰老细胞转换成年轻的细胞，人类距离青春永驻的梦想将更近一步。 The process increases the length of the 'telomeres'...

15-01-22 Scientists investigated why Ebola virus is so deadly when it spreads from animals to humans and then from human-to-human contact. The research team looked at the Zaire Ebola strain in an animal system to understand how it gains strength. This virus...

14-12-30 A growing number of academic researchers are mining social media data to learn about both online and offline human behavior. In recent years, studies have claimed the ability to predict everything from summer blockbusters to fluctuations in the stoc...

14-12-30 Using mathematical modeling, researchers at New York and Vanderbilt universities have shown that commensal bacteria that cause problems later in life most likely played a key role in stabilizing early human populations. The finding, published in mBi...

14-12-10 I should not take either the biggest or the most picturesque tree to illustrate it. Here is one of my favorites now before me, a fine yellow poplar, quite straight, perhaps 90 feet high, and four thick at the butt. How strong, vital, enduring! how d...

14-12-08 Unconventional oil and gas (UOG) operations combine directional drilling and hydraulic fracturing, or fracking, to release natural gas from underground rock. Recent discussions have centered on potential air and water pollution from chemicals used i...

14-12-05 Prof Stephen Hawking, one of Britain's pre-eminent scientists, has said that efforts to create thinking machines pose a threat to our very existence. 英国最优秀的科学家之一史蒂芬霍金教授近日表示，致力于会思考型机器的开发会威胁人类自身的生存。 He tol...

14-12-04 Researchers at North Carolina State University have for the first time mapped human disease-causing pathogens, dividing the world into a number of regions where similar diseases occur. The findings show that the world can be separated into seven reg...