日期：2012-03-13 University of Rhode Island marine biologist Jacqueline Webb gets an occasional strange look when she brings fish to the Orthopedics Research Lab at Rhode Island Hospital. While the facility's microCT scanner is typically used to study bone density a... 阅读全文>>

日期：2012-03-13 Two new horned dinosaurs have been named based on fossils collected from Alberta, Canada. The new species, Unescopceratops koppelhusae and Gryphoceratops morrisoni, are from the Leptoceratopsidae family of horned dinosaurs. The herbivores（食草动物... 阅读全文>>

日期：2012-03-13 A team of Australian scientists involving the University of Adelaide has bred salt tolerance into a variety of durum wheat（硬质小麦） that shows improved grain yield by 25% on salty soils. Using 'non-GM' crop breeding techniques, scientists from CS... 阅读全文>>

日期：2012-03-13 A new analysis led by researchers at Fred Hutchinson Cancer Research Center has found that circumcision（包皮环割术） before a male's first sexual intercourse may help protect against prostate cancer. Published early online in Cancer, a peer-reviewe... 阅读全文>>

日期：2012-03-13 A new study from Harvard School of Public Health (HSPH) researchers has found that red meat consumption is associated with an increased risk of total, cardiovascular（心血管的） , and cancer mortality. The results also showed that substituting other... 阅读全文>>

日期：2012-03-12 Inspired by nature's ability to shape a petal（花瓣） , and building on simple techniques used in photolithography（照相平印术） and printing, researchers at the University of Massachusetts Amherst have developed a new tool for manufacturing three-d... 阅读全文>>

日期：2012-03-12 An Indiana University geophysical experiment detected unusual seismic（地震的） signals associated with tornadoes that recently struck regions across the Midwest -- information that may have value for meteorologists studying the atmospheric activity... 阅读全文>>

日期：2012-03-12 A neutron star is the closest thing to a black hole that astronomers can observe directly, crushing half a million times more mass than Earth into a sphere（范围，球体） no larger than a city. In October 2010, a neutron star near the center of our g... 阅读全文>>

日期：2012-03-09 In the world of marketing, people who are thinking about sharing product information they find in online advertising are likely to first consider whether the information is relevant to friends and family in their social networks. The notion of a pie... 阅读全文>>

日期：2012-03-09 A new study in Science suggests that thrill-seeking is not limited to humans and other vertebrates（脊椎动物） . Some honey bees, too, are more likely than others to seek adventure. The brains of these novelty-seeking bees exhibit distinct patterns... 阅读全文>>

日期：2012-03-09 An international team of physicists has developed a method for taking ultrafast sonograms（声波图） that can track the structural changes that take place within solid materials in trillionth-of-a-second intervals as they go through an important phys... 阅读全文>>

日期：2012-03-09 A team of scientists, led by the Institute for Ocean Conservation Science at Stony Brook University, used video cameras to count Caribbean reef sharks (Carcharhinus perezi) inside and outside marine reserves on the Mesoamerican Barrier Reef in the C... 阅读全文>>

日期：2012-03-08 Many of the communication tools of today rely on the function of light or, more specifically, on applying information to a light wave. Up until now, studies on electronic and optical devices with materials that are the foundations of modern electron... 阅读全文>>

日期：2012-03-08 The annual shift to daylight saving time and its accompanying loss of sleep cause employees to spend more time than normal surfing the Web for content unrelated to their work, resulting in potentially massive productivity losses, according to resear... 阅读全文>>

日期：2012-03-08 More than 99 percent of Antarctic blue whales were killed by commercial whalers during the 20th century, but the first circumpolar（极地附近的） genetic study of these critically endangered whales has found a surprisingly high level of diversity amo... 阅读全文>>

日期：2012-03-08 Researchers have just completed the genome sequence for the gorilla -- the last genus of the living great apes to have its genome decoded. While confirming that our closest relative is the chimpanzee（黑猩猩） , the team show that much of the human... 阅读全文>>

日期：2012-03-07 In nature, how do host species survive parasite attacks? This has not been well understood, until now. A new mathematical model shows that when a host and its parasite each have multiple traits governing their interaction, the host has a unique evol... 阅读全文>>

日期：2012-03-07 People's personalities can change considerably over time, say scientists, suggesting that leopards really can change their spots. Psychologists from The University of Manchester and London School of Economics and Political Science (LSE) also showed... 阅读全文>>

日期：2012-03-07 A new approach to disentangling（解决，松开） the complexities of biological networks, such as the way in which proteins interact in our body's cells has been developed by researchers in China. The team's algorithm（算法） could allow biologists and... 阅读全文>>

日期：2012-03-07 The future of Canadian outdoor ice hockey（冰球） -- a sport synonymous with the country's culture -- is being threatened by anthropogenic（人为的） climate change, new research suggests. As warmer winter temperatures restrict ice from freezing over... 阅读全文>>