日期：2014-07-31 Long before humans figured out how to create colors, nature had already perfected the process -- think stunning, bright butterfly wings of many different hues（色调） , for example. Now scientists are tapping into those secrets to develop a more env... 阅读全文>>

日期：2014-07-31 The analysis of the roughly 3,000 pieces is still in its infant stage. But it is already evident that the results will be of major significance. Amazingly often, we are finding-in addition to Asian forms-the same insect species in Fushun amber that... 阅读全文>>

日期：2014-07-31 Scientists are searching through a massive collection of 20-million-year-old amber found in the Dominican Republic more than 50 years ago, and the effort is yielding fresh insights into ancient tropical insects and the world they inhabited. When the... 阅读全文>>

日期：2014-07-30 When you're expecting something -- like the meal you've ordered at a restaurant -- or when something captures your interest, unique electrical rhythms sweep through your brain. These waves are called gamma oscillations（振动） and they reflect a sym... 阅读全文>>

日期：2014-07-30 Fist bumping transmits significantly fewer bacteria than either handshaking or high-fiving, while still addressing the cultural expectation of hand-to-hand contact between patients and clinicians, according to a study published in the August issue o... 阅读全文>>

日期：2014-07-30 Babies can learn what to fear in the first days of life just by smelling the odor（气味） of their distressed mothers, new research suggests. And not just natural fears: If a mother experienced something before pregnancy that made her fear something... 阅读全文>>

日期：2014-07-29 Scientists have discovered a new species of mayfly（蜉蝣） in the southern Western Ghats, a mountain range along the west coast of India. In fact, this is the first time that any mayfly belonging to the genus Labiobaetis has been collected in penins... 阅读全文>>

日期：2014-07-29 Although most natural and synthetic processes prefer to settle into equilibrium（均衡，平静） -- a state of unchanging balance without potential or energy -- it is within the realm of non-equilibrium conditions where new possibilities lie. Non-equil... 阅读全文>>

日期：2014-07-29 In the first broad-scale estimate of air pollution removal by trees nationwide, U.S. Forest Service scientists and collaborators calculated that trees are saving more than 850 human lives a year and preventing 670,000 incidents of acute respiratory... 阅读全文>>

日期：2014-07-26 Scientists have discovered a previously unknown virus living in the human gut, according to a study in Nature Communications. 《自然通讯》的一项研究显示，科学家在人类肠道中发现一种以前未知的病毒。 Scientists scoured international genetic databases t... 阅读全文>>

日期：2014-07-26 A novel combination of microscopy（显微镜检查） and data processing has given researchers at the Department of Energy's Oak Ridge National Laboratory an unprecedented look at the surface of a material known for its unusual physical and electrochemic... 阅读全文>>

日期：2014-07-26 Narcissism（自恋） , considered by some as the dark side of the executive personality, may actually be a good thing when it comes to certain financial measures, with companies led by narcissistic CEOs outperforming those helmed（掌舵） by non-narcis... 阅读全文>>

日期：2014-07-26 Excavations at an archaeological site at Kathu in the Northern Cape province of South Africa have produced tens of thousands of Earlier Stone Age artifacts, including hand axes and other tools. These discoveries were made by archaeologists from the... 阅读全文>>

日期：2014-07-26 A new study suggests that Saharan dust played a major role in the formation of the Bahamas islands. Researchers from the University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science showed that iron-rich Saharan dust provides the nut... 阅读全文>>

日期：2014-07-24 In 2012, the Voyager mission team announced that the Voyager 1 spacecraft had passed into interstellar space, traveling further from Earth than any other manmade object. But, in the nearly two years since that historic announcement, and despite subs... 阅读全文>>

日期：2014-07-24 DNA has the nasty habit of getting tangled and forming knots. Scientists study these knots to understand their function and learn how to disentangle them (e.g. useful for gene sequencing techniques). Cristian Micheletti, professor at the Internation... 阅读全文>>

日期：2014-07-24 Molten rock (or magma) has a strong influence on our planet and its inhabitants（居民） , causing destructive volcanic eruptions and generating some of the giant mineral deposits. Our understanding of these phenomena is, however, limited by the fact... 阅读全文>>

日期：2014-07-24 Honey bees, especially the young, are highly sensitive to temperature and to protect developing bees, adults work together to maintain temperatures within a narrow range. Recently published research led by Philip T. Starks, a biologist at Tufts Univ... 阅读全文>>

日期：2014-07-24 This will not surprise most dog owners: Dogs can act jealous, finds a new study from the University of California, San Diego. Darwin thought so, too. But emotion researchers have been arguing for years whether jealousy requires complex cognition. An... 阅读全文>>

日期：2014-07-23 In Jeju, Korea, a place emerging as a world-famous vacation spot with natural tourism resources, a recent study revealed a volcanic eruption occurred on the island. The Korea Institute of Geoscience and Mineral Resources (KIGAM) indicated that there... 阅读全文>>