日期：2012-04-13 In order to accurately identify skulls as male or female, forensic（法院的） anthropologists need to have a good understanding of how the characteristics of male and female skulls differ between populations. A new study from North Carolina State Uni... 阅读全文>>

日期：2012-04-13 The theory that pigeons' famous skill at navigation is down to iron-rich nerve cells in their beaks has been disproven by a new study published in Nature. The study shows that iron-rich cells in the pigeon beak are in fact specialized white blood ce... 阅读全文>>

日期：2012-04-12 A new scientific instrument, a time machine of sorts, built by UCLA astronomers and colleagues, will allow scientists to study the earliest galaxies in the universe, which could never be studied before. The five-ton instrument, the most advanced and... 阅读全文>>

日期：2012-04-12 A University of Oklahoma assistant professor and colleagues have identified two white dwarf stars considered the oldest and closest known to man. Astronomers identified these 11- to 12-billion-year-old white dwarf stars only 100 light years away fro... 阅读全文>>

日期：2012-04-12 Researchers at Oregon State University have definitively linked an increase in ocean acidification to the collapse of oyster seed production at a commercial oyster hatchery in Oregon, where larval growth had declined to a level considered by the own... 阅读全文>>

日期：2012-04-11 A survey on the loss in the Northern Hemisphere of large predators, particularly wolves, concludes that current populations of moose（驼鹿） , deer, and other large herbivores far exceed their historic levels and are contributing to disrupted ecosys... 阅读全文>>

日期：2012-04-11 Text messaging often gets a bad rap（口碑差） for contributing to illiteracy and high-risk behavior such as reckless driving. But a social welfare professor at the University of California, Berkeley, has found an upside to texting, especially for pe... 阅读全文>>

日期：2012-04-11 Rapidly dropping water levels of the Dead Sea, the lowest point on Earth's surface heralded（通报） for its medicinal properties, has been a source of ecological concern for years. Now a drilling project led by researchers from Tel Aviv University a... 阅读全文>>

日期：2012-04-11 An Argentine-Swedish research team has reported a 70-million-year-old pocket of fossilized bones and unique eggs of an enigmatic（神秘的） birdlike dinosaur in Patagonia. What makes the discovery unique are the two eggs preserved near articulated（... 阅读全文>>

日期：2012-04-10 A North Carolina State University researcher has developed a more efficient, less expensive way of cooling electronic devices -- particularly devices that generate a lot of heat, such as lasers and power devices. The technique uses a heat spreader m... 阅读全文>>

日期：2012-04-10 A new study by Rice University scientists reveals that plants can use the sense of touch to fight off fungal infections and insects. The study, which will be published in the April 24 issue of Current Biology, finds that plant defenses are enhanced... 阅读全文>>

日期：2012-04-10 The trade in live plants from around the world has become a major industry in the United States, with new imports now valued at more than $500 billion annually. According to a study conducted by researchers at UC Santa Barbara's National Center for... 阅读全文>>

日期：2012-04-10 The ranking of a monkey within her social environment and the stress accompanying that status dramatically alters the expression of nearly 1,000 genes, a new scientific study reports. The research is the first to demonstrate a link between social st... 阅读全文>>

日期：2012-04-06 Many Christians give up certain foods for Lent, however ecologists have discovered these changes in human diet have a dramatic impact on the diet of wild animals. In Ethiopia, members of the Orthodox Tewahedo Church stop eating meat and dairy produc... 阅读全文>>

日期：2012-04-06 Scientists at the Cavendish Laboratory in Cambridge have used light to help push electrons through a classically impenetrable barrier. While quantum tunnelling（隧道） is at the heart of the peculiar（特殊的） wave nature of particles, this is the f... 阅读全文>>

日期：2012-04-06 The likely culprit in sharp worldwide declines in honeybee colonies since 2006 is imidacloprid（吡虫啉） , one of the most widely used pesticides, according to a new study from Harvard School of Public Health (HSPH). The authors, led by Alex Lu, ass... 阅读全文>>

日期：2012-04-06 Hidden in the mud, the cone snail Conus purpurascens lies in wait for its victims. It attracts its prey, fish, with its proboscis（鼻子） , which can move like a worm, protruding from the mud. Once a fish approaches out of curiosity, the snail will... 阅读全文>>

日期：2012-04-06 A three-year study of giant pandas published 4 April 2012 in Biology of Reproduction's Papers-in-Press reveals that reproductive seasonality exists not only in female pandas, but in male pandas as well. According to the authors of the study, this ne... 阅读全文>>

日期：2012-04-06 Researchers have found a way to measure the likelihood of global stock market losses by identifying periods in which shocks may be more likely to spread across many national markets. This fragility index identifies periods in which international equ... 阅读全文>>

日期：2012-04-06 Many scientists have long suspected that rising levels of carbon dioxide and the global warming that ended the last Ice Age were somehow linked, but establishing a clear cause-and-effect relationship between CO2 and global warming from the geologic... 阅读全文>>