日期：2010-03-18 Quasars（类星体） are active and very powerful black holes at the centre of distant galaxies. The black holes are extremely massive weighing between 100 million and 10 billion solar masses and rotating around the super massive black hole is a disc o... 阅读全文>>

日期：2010-03-18 Bees see the world almost five times faster than humans, according to new research from scientists at Queen Mary, University of London. This gives bumblebees（大黄蜂） the fastest colour vision of all animals, allowing them to easily navigate shady... 阅读全文>>

日期：2010-03-18 This is a normal, temperate（温和的，适度的） exoplanet（外部行星） just like dozens we already know, but this is the first whose properties we can study in depth（深入地，全面地） , says Claire Moutou, who is part of the international team of 60 as... 阅读全文>>

日期：2010-03-18 Dogs likely originated in the Middle East, not Asia or Europe, according to a new genetic analysis by an international team of scientists led by UCLA biologists. The research, funded by the National Science Foundation and the Searle Scholars Program... 阅读全文>>

日期：2010-03-18 Giant filaments（花丝，灯丝） of cold dust stretching through our Galaxy are revealed in a new image from ESA's Planck satellite. Analysing these structures could help to determine the forces that shape our Galaxy and trigger star formation. Planck... 阅读全文>>

日期：2010-03-17 A booster shot（后续疫苗注射） appears to improve tuberculosis ( TB肺结核 ) resistance in previously vaccinated adults, according to new research in South Africa. The study has been published online ahead of print publication in the American Thoraci... 阅读全文>>

日期：2010-03-17 UCSF researchers have discovered that a key cellular defect（缺点，缺陷） that disturbs the production of proteins in human cells can lead to cancer susceptibility（感情，敏感性） . The scientists also found that a new generation of inhibitory（禁止... 阅读全文>>

日期：2010-03-17 This is our first detailed look inside the biggest storm of the Solar System, says Glenn Orton, who led the team of astronomers（天文学家） that made the study. We once thought the Great Red Spot（木星表面大红斑） was a plain old oval（椭圆形，卵形... 阅读全文>>

日期：2010-03-16 Researchers have discovered that infants respond to the rhythm（节奏，韵律） and tempo（拍子，速度） of music and find it more engaging than speech. The findings, based on the study of infants aged between five months and two years old, suggest that... 阅读全文>>

日期：2010-03-16 Increased understanding of the Skp2 gene and its relation to cellular senescence（衰老） may lead to the development of novel agents that can suppress（抑制，镇压） tumor development in common types of cancer, researchers from The University of Texa... 阅读全文>>

日期：2010-03-16 Studies in the United States have long shown that rich people tend to be healthier than poor people, and that this health gap between the haves and have-nots gets worse as people get older. But is that because the U.S. is a capitalist society? Appar... 阅读全文>>

日期：2010-03-16 Images from the recent flyby（飞越） of Phobos（火卫一） , on 7 March 2010, are released today. The images show Mars' rocky moon in exquisite（优美的，精致的） detail, with a resolution of just 4.4 metres per pixel. They show the proposed landing si... 阅读全文>>

日期：2010-03-16 A quest that began over a decade ago with a chance observation has reached a milestone: the identification of a gene that may regulate（调节，规定） regeneration in mammals（哺乳动物） . The absence of this single gene, called p21, confers a healing... 阅读全文>>

日期：2010-03-15 UC Irvine researchers have played a leading role in the genome sequencing of Hydra, a freshwater polyp（珊瑚虫，水螅虫） that has been a staple（主题） of biological research for 300 years. In the March 14 online version of Nature, UCI biologists Ro... 阅读全文>>

日期：2010-03-15 Researchers at the University of Calgary have discovered the unique genes that allow the opium poppy（罂粟） to make codeine（可待因） and morphine（吗啡） , thus opening doors to alternate methods of producing these effective painkillers（止痛药）... 阅读全文>>

日期：2010-03-13 Increasing calcium intake（摄入） is a common--yet not always successful--strategy for reducing bone fractures（骨折） . But a study supported in part by the Agricultural Research Service (ARS) underscores（强调） the importance of vitamin D and its... 阅读全文>>

日期：2010-03-13 The secondever known tropical cyclone（热带气旋） in the South Atlantic Ocean can't escape satellite eyes, and today, the Geostationary Operational Environmental Satellite（地球静止业务环境卫星） , GOES-12 captured a visible image of Tropical Storm... 阅读全文>>

日期：2010-03-12 Reading this story requires you to willfully（故意地） pay attention to the sentences and to tune out nearby conversations, the radio and other distractions（分心，干扰） . But if a fire alarm sounded, your attention would be involuntarily（不自觉地... 阅读全文>>

日期：2010-03-12 By studying the hydra（水螅） , a member of an ancient group of sea creatures that is still flourishing（繁荣的，盛行的） , scientists at UC Santa Barbara have made a discovery in understanding the origins of human vision. The finding is published i... 阅读全文>>

日期：2010-03-12 Early detection is key to more effective treatment for Alzheimer's disease and other forms of cognitive（认知的，认识的） impairment（损害，损伤） , and new research shows that a test developed at the University of Tennessee is more than 95 percent... 阅读全文>>