日期：2015-11-25 Mars' largest moon, Phobos, is slowly falling toward the planet, but rather than smash into the surface, it likely will be shredded and the pieces strewn about the planet in a ring like the rings encircling Saturn, Jupiter, Uranus and Neptune. Thoug... 阅读全文>>

日期：2015-11-25 Digital measurements of millions of trees indicate that previous studies likely overestimate the amount of carbon stored by temperate U.S. forests, according to a new NASA study. The findings could help scientists better understand the impact that t... 阅读全文>>

日期：2015-11-25 Biologists at Tufts University have succeeded in inducing one species of flatworm to grow heads and brains characteristic of another species of flatworm without altering genomic sequence. The work reveals physiological circuits as a new kind of epig... 阅读全文>>

日期：2015-11-24 The most detailed analysis yet of the role germline mutations in genes associated with cancer predisposition play in the development of childhood cancer suggests that comprehensive genomic screening may be warranted on all pediatric cancer patients,... 阅读全文>>

日期：2015-11-24 Researchers from the Queensland Brain Institute at The University of Queensland have uncovered a new form of secret light communication used by marine animals. The findings may have applications in satellite remote sensing, biomedical imaging, cance... 阅读全文>>

日期：2015-11-24 UK researchers have unearthed ancient fossil forests, thought to be partly responsible for one of the most dramatic shifts in the Earth's climate in the past 400 million years. The fossil forests, with tree stumps preserved in place, were found in S... 阅读全文>>

日期：2015-11-24 Researchers at Linkping University in Sweden have created analog and digital electronics circuits inside living plants. The group at the Laboratory of Organic Electronics (LOE), under the leadership of Professor Magnus Berggren, have used the vascul... 阅读全文>>

日期：2015-11-24 Champion of regeneration, the freshwater polyp Hydra is capable of reforming a complete individual from any fragment of its body. It is even able to remain alive when all its neurons have disappeared. Researcher the University of Geneva (UNIGE), Swi... 阅读全文>>

日期：2015-11-23 In the animal world, if several males mate with the same female, their sperm compete to fertilize her limited supply of eggs. Longer sperm often seem to have a competitive advantage. However, a study conducted by researchers from the Universities of... 阅读全文>>

日期：2015-11-23 Called after Tolkien's character from the Lord of the Rings series, a new eyeless harvestman species was found to crawl in a humid cave in southeastern Brazil. Never getting out of its subterranean home, the new daddy longlegs species is the most hi... 阅读全文>>

日期：2015-11-23 Diabetes is often the result of obesity and poor diet choices, but for some older adults the disease might simply be a consequence of aging. New research has discovered that diabetes--or insulin resistance--in aged, lean mice has a different cellula... 阅读全文>>

日期：2015-11-23 Scientists have solved a longstanding mystery about how some fish seem to disappear from predators in the open waters of the ocean, a discovery that could help materials scientists and military technologists create more effective methods of ocean ca... 阅读全文>>

日期：2015-11-23 More than half of all tree species in the world's most diverse forest--the Amazon--may be globally threatened, according to a new study. But the study also suggests that Amazonian parks, reserves, and indigenous territories, if properly managed, wil... 阅读全文>>

日期：2015-11-20 An international team of scientists in Australia and the United States has captured the first-ever images of a planet in the making. The accumulation of dust and gas particles onto a new planet - the process by which the planet continues to form and... 阅读全文>>

日期：2015-11-20 In certain nanomaterials, electrons are able to race through custom-built roadways just one atom wide. To achieve excellent efficiency, these one-dimensional paths must be paved with absolute perfection--a single errant atom can stop racing electron... 阅读全文>>

日期：2015-11-20 A new gene (mcr-1) that enables bacteria to be highly resistant to polymyxins, the last line of antibiotic defence we have left, is widespread in Enterobacteriaceae [1] taken from pigs and patients in south China, including strains with epidemic pot... 阅读全文>>

日期：2015-11-19 Because social media is used so pervasively in modern society to tap into people's behaviors and thoughts, neuroscientists are finding Facebook, Twitter, and other platforms to be very useful tools in a broad range of research areas. A review publis... 阅读全文>>

日期：2015-11-19 A new RNA test of blood platelets can be used to detect, classify and pinpoint the location of cancer by analysing a sample equivalent to one drop of blood. Using this new method for blood-based RNA tests of blood platelets, researchers have been ab... 阅读全文>>

日期：2015-11-19 The results of an opportunistic, pilot-scale study led by Virginia Wotring of the Center for Space Medicine and Department of Pharmacology at Baylor College of Medicine in the U.S. suggest that medication degradation on the International Space Stati... 阅读全文>>

日期：2015-11-19 Wild-caught chimpanzees, who were orphaned and imported from Africa in their early infancy, exhibit an impaired social behaviour also as adults. So far long-term effects of early traumatic experiences on social behaviour were known only for humans a... 阅读全文>>