日期：2014-03-11 The evolution of the first animals may have oxygenated Earth's oceans -- contrary to the traditional view that a rise in oxygen triggered their development. New research led by the University of Exeter contests the long held belief that oxygenation... 阅读全文>>

日期：2014-03-11 Scientists at the University of East Anglia have identified four new human-made gases in the atmosphere -- all of which are contributing to the destruction of the ozone layer. New research published today in the journal Nature Geoscience reveals tha... 阅读全文>>

日期：2014-03-11 Researchers have discovered and validated a blood test that can predict with greater than 90 percent accuracy if a healthy person will develop mild cognitive impairment or Alzheimer's disease within three years. Described in Nature Medicine publishe... 阅读全文>>

日期：2014-03-11 Fresh banana, a waft of flowers, blueberry: the scents in Shota Atsumi's laboratory in the UC Davis Department of Chemistry are a little sweeter than most. That's because Atsumi and his team are engineering bacteria to make esters（酯类） -- molecul... 阅读全文>>

日期：2014-03-11 Australian astronomers have shown galaxies in the vast empty regions of the Universe are actually aligned into delicate strings, according to research published today in the Monthly Notices of the Royal Astronomical Society. A team of astronomers ba... 阅读全文>>

日期：2014-03-10 Crop yields in the fragile semi-arid（半干燥的） areas of Zimbabwe have been declining over time due to a decline in soil fertility resulting from mono-cropping, lack of fertilizer, and other factors. In collaboration with the International Crops Re... 阅读全文>>

日期：2014-03-10 A new dinosaur species found in Portugal may be the largest land predator discovered in Europe, as well as one of the largest carnivorous（食肉的） dinosaurs from the Jurassic, according to a paper published in PLOS ONE on March 5, 2014 by co-author... 阅读全文>>

日期：2014-03-10 Allowing the federal terrorism risk insurance act to expire could have negative consequences for U.S. national security, according to a new study from the RAND Corporation. Insurance markets were unprepared for the aftermath of the terrorist attacks... 阅读全文>>

日期：2014-03-10 Asian elephants that give birth as teenagers die younger than older mothers but raise bigger families during their lifetime, according to new research from the University of Sheffield. Experts from the University's Department of Animal and Plant Sci... 阅读全文>>

日期：2014-03-10 Millions of high school and college algebra（大学代数） students are united in a shared agony（苦恼） over solving for x and y, and for those to whom the answers don't come easily, it gets worse: Most preschoolers and kindergarteners can do some alg... 阅读全文>>

日期：2014-03-10 Researchers have debated for more than two decades the likely impacts, if any, of global warming on the worldwide incidence of malaria（疟疾） , a mosquito-borne disease that infects more than 300 million people each year. Now, University of Michiga... 阅读全文>>

日期：2014-03-10 The NASA/ESA Hubble Space Telescope has photographed the never-before-seen break-up of an asteroid（小行星） , which has fragmented into as many as ten smaller pieces. Although fragile comet nuclei have been seen to fall apart as they approach the S... 阅读全文>>

日期：2014-03-06 That chicken wing you're eating could be as deadly as a cigarette. In a new study that tracked a large sample of adults for nearly two decades, researchers have found that eating a diet rich in animal proteins during middle age makes you four times... 阅读全文>>

日期：2014-03-06 The ice-free season across the Arctic is getting longer by five days per decade, according to new research from a team including Prof Julienne Stroeve (Professor of Polar Observation and Modelling at UCL Earth Sciences). New analysis of satellite da... 阅读全文>>

日期：2014-03-06 Exposing leafy vegetables grown during spaceflight to a few bright pulses of light daily could increase the amount of eye-protecting nutrients produced by the plants, according to a new study by researchers at the University of Colorado Boulder. One... 阅读全文>>

日期：2014-03-06 Teaching crop plants to concentrate carbon dioxide in their leaves could increase photosynthetic（光合作用的） efficiency by 60 percent and yields by as much as 40 percent, researchers report in a new study. The team used a computer model to simulat... 阅读全文>>

日期：2014-03-06 Some of the world's most recognisable and important landmarks could be lost to rising sea-levels if current global warming trends are maintained over the next two millennia. This is according to a new study, published today, 5 March, in IOP Publishi... 阅读全文>>

日期：2014-03-05 Increasing the intake of fatty fish increases the number of large HDL particles, according to a recent study completed at the University of Eastern Finland. People who increased their intake of fish to a minimum of 3-4 weekly meals had more large HD... 阅读全文>>

日期：2014-03-05 Losses from extreme floods in Europe could more than double by 2050, because of climate change and socioeconomic development. Understanding the risk posed by large-scale floods is of growing importance and will be key for managing climate adaptation... 阅读全文>>

日期：2014-03-05 Researchers at Columbia University have made a significant step toward visualizing small biomolecules inside living biological systems with minimum disturbance, a longstanding goal in the scientific community. In a study published March 2nd in Natur... 阅读全文>>