日期：2012-05-17 Plants are dependent on the sun. Sunlight does not only supply them with energy, but also controls their development steps. So-called photoreceptors（感光器） activate the processes of germination（发芽） , leaf development, bud formation, and bloss... 阅读全文>>

日期：2012-05-17 Scientists from the University of Southampton have discovered a previously unrecognised volcanic process, similar to one that is used in chocolate manufacturing, which gives important new insights into the dynamics of volcanic eruptions. The scienti... 阅读全文>>

日期：2012-05-17 Text messaging is a surprisingly good way to get candid（公正的，坦白的） responses to sensitive questions, according to a new study to be presented this week at the annual meeting of the American Association for Public Opinion Research. The prelimi... 阅读全文>>

日期：2012-05-16 What goes bump in the night? In many U.S. households: people. That's according to new Stanford University School of Medicine research, which found that about 3.6 percent of U.S. adults -- or upward of 8.4 million -- are prone to sleepwalking. The wo... 阅读全文>>

日期：2012-05-16 Anthropologists working in southern France have determined that a 1.5 metric ton block of engraved limestone（石灰岩） constitutes the earliest evidence of wall art. Their research, reported in the most recent edition of the Proceedings of the Natio... 阅读全文>>

日期：2012-05-16 Scientists at the Ottawa Hospital Research Institute (OHRI) and the University of Ottawa (uOttawa) have discovered that mice that lack a gene called Snf2l have brains that are 35 per cent larger than normal. The research, led by Dr. David Picketts a... 阅读全文>>

日期：2012-05-16 Perfume ads, beer billboards, movie posters: everywhere you look, women's sexualized bodies are on display. A new study published in Psychological Science, a journal of the Association for Psychological Science, finds that both men and women see ima... 阅读全文>>

日期：2012-05-16 For the first time, researchers have been able to combine different climate models using spatial（空间的） statistics -- to project future seasonal temperature changes in regions across North America. They performed advanced statistical analysis on... 阅读全文>>

日期：2012-05-15 Milk poured down Britain's kitchen sinks each year creates a carbon footprint equivalent to thousands of car exhaust emissions, research shows. Scientists say the 360,000 tonnes of milk wasted in the UK each year creates greenhouse gas emissions equ... 阅读全文>>

日期：2012-05-15 From human-made toxic chemicals such as industrial by-products to poisons that occur naturally, a water or food supply can be easily contaminated. And for every level of toxic material ingested, there is some level of bodily response, ranging from m... 阅读全文>>

日期：2012-05-15 A male robin（知更鸟） will be more diligent（勤勉的） in caring for its young if the eggs its mate lays are a brighter shade of blue. Queen's University biology professor Bob Montgomerie has been studying robins on and off for 25 years and has a pa... 阅读全文>>

日期：2012-05-15 Imagine charging your phone as you walk, thanks to a paper-thin generator embedded in the sole（鞋底） of your shoe. This futuristic scenario is now a little closer to reality. Scientists from the U.S. Department of Energy's Lawrence Berkeley Nation... 阅读全文>>

日期：2012-05-15 Research groups from Iowa State University and the Salk Institute for Biological Studies have uncovered the function of three plant proteins, a discovery that could help plant scientists boost seed oil production in crops, thereby benefitting the pr... 阅读全文>>

日期：2012-05-14 The progressive disappearance of seed-dispersing animals like elephants and rhinoceroses（犀牛） puts the structural integrity and biodiversity of the tropical forest of South-East Asia at risk. With the help of Spanish researchers, an international... 阅读全文>>

日期：2012-05-14 The typical naked mole rat lives 25 to 30 years, during which it shows little decline in activity, bone health, reproductive capacity and cognitive ability. What is the secret to this East African rodent's long, healthy life? Scientists from the Uni... 阅读全文>>

日期：2012-05-14 Forests in the Amazon Basin are expected to be less vulnerable to wildfires this year, according to the first forecast from a new fire severity model developed by university and NASA researchers. Fire season across most of the Amazon rain forest typ... 阅读全文>>

日期：2012-05-14 Having natural habitat in farming areas that supports ladybugs（瓢虫） could help increase their abundance in crops where they control pests and help farmers reduce their costs, says a Michigan State University study. Ladybugs and other predatory in... 阅读全文>>

日期：2012-05-11 Researchers have found that bird species with multiple plumage colour forms within in the same population, evolve into new species faster than those with only one colour form, confirming a 60-year-old evolution theory. The global study used informat... 阅读全文>>

日期：2012-05-11 Harvesting tropical forests for timber may not be the arch-enemy of conservation that it was once assumed to be, according to a new study led by a University of Florida researcher. Selective logging may be one of the few feasible options left for co... 阅读全文>>

日期：2012-05-11 A detailed description of development of the first practical artificial leaf -- a milestone in the drive for sustainable energy that mimics the process, photosynthesis（光合作用） , that green plants use to convert water and sunlight into energy --... 阅读全文>>