日期:2016-08-08 In a new study, researchers at Scripps Institution of Oceanography at the University of California San Diego found that the background music in shark documentaries affects viewers perceptions of sharks. The researchers suggest that ominous backgroun... 阅读全文>>

日期:2016-08-08 Its summertime, and the fields of Yolo County are filled with ranks of sunflowers, dutifully watching the rising sun. At the nearby University of California, Davis, plant biologists have now discovered how sunflowers use their internal circadian clo... 阅读全文>>

日期:2016-08-08 All living toothed whales rely upon echoes of their own calls to navigate and hunt underwater, a skill that works best in conjunction with high-frequency hearing. Now, researchers reporting in the Cell Press journal Current Biology on August 4 who s... 阅读全文>>

日期:2016-08-08 New research from North Carolina State University finds that major volcanic activity on the planet Mercury most likely ended about 3.5 billion years ago. These findings add insight into the geological evolution of Mercury in particular, and what hap... 阅读全文>>

日期:2016-08-08 New research suggests that it is possible to create a new form of light by binding light to a single electron, combining the properties of both. According to the scientists behind the study, from Imperial College London, the coupled light and electr... 阅读全文>>

日期:2016-08-08 Climate change could remobilize abandoned hazardous waste thought to be buried forever beneath the Greenland Ice Sheet, new research finds. Camp Century, a U.S. military base built within the Greenland Ice Sheet in 1959, doubled as a top-secret site... 阅读全文>>

日期:2016-08-04 Earlier snowmelt periods associated with a warming climate may hinder subalpine forest regulation of atmospheric carbon dioxide (CO2), according to the results of a new University of Colorado Boulder study. The findings, which were recently publishe... 阅读全文>>

日期:2016-08-04 Despite reported differences in appearance and behavior, DNA evidence finds that Namibian desert elephants share the same DNA as African savanna elephants. However, Namibian desert-dwelling elephants should be protected so they can continue to pass... 阅读全文>>

日期:2016-08-04 Mantis shrimp, often brightly colored and fiercely aggressive sea creatures with outsized strength, use the ultraviolet reflectance of their color spots as well as chemical signals to assess the likelihood of victory in combat, according to research... 阅读全文>>

日期:2016-08-03 As climate changes and wildfires get larger, hotter and more frequent, how should public lands in the American West be managed to protect endangered creatures that, like the spotted owl, rely on fire-prone old-growth forests? Could periodic forest t... 阅读全文>>

日期:2016-08-03 New research has found methylmercury -- a potent neurotoxin -- in sea ice in the Southern Ocean. Published today in the journal Nature Microbiology, the results are the first to show that sea-ice bacteria can change mercury into methylmercury, a mor... 阅读全文>>

日期:2016-08-03 In the quantum world, physicists study the tiny particles that make up our classical world - neutrons, electrons, photons - either one at a time or in small numbers because the behaviour of the particles is completely different on such a small scale... 阅读全文>>

日期:2016-08-03 University of Utah anthropologists counted the number of carbon-dated artifacts at archaeological sites and concluded that a population boom and scarce food explain why people in eastern North America domesticated plants for the first time on the co... 阅读全文>>

日期:2016-07-29 Rats blood vessels took at least three times longer to recover function after only a minute of breathing secondhand marijuana smoke, compared to recovery after a minute of breathing secondhand tobacco smoke, according to new research in Journal of t... 阅读全文>>

日期:2016-07-29 Variations in the ability of sand particles kicked into the atmosphere from deserts in the Middle East to absorb heat can change the intensity of the Indian Summer Monsoon, according to new research from The University of Texas at Austin. The resear... 阅读全文>>

日期:2016-07-29 Male cuttlefish do not bluff. When their body language shows they are agitated, they are. This was one of the findings from a study on the giant Australian cuttlefish in Springers journal Behavioral Ecology and Sociobiology, led by Alexandra Schnell... 阅读全文>>

日期:2016-07-29 Deep down below us is a tug of war moving at less than the speed of growing fingernails. Keeping your balance is not a concern, but how the movement happens has been debated among geologists. New findings from under the Pacific Northwest Coast by Un... 阅读全文>>

日期:2016-07-29 New research from the University of British Columbia suggests evolution is a driving mechanism behind plant migration, and that scientists may be underestimating how quickly species can move. The study, published today in the journal Science, builds... 阅读全文>>

日期:2016-07-27 Three weeks after the scientific world marked the 20th anniversary of the birth of Dolly the sheep new research, published by The University of Nottingham, in the academic journal Nature Communications has shown that four clones derived from the sam... 阅读全文>>

日期:2016-07-26 Honey bees are able to wiggle their abdomens in a variety of ways. Now new research published in the Journal of Insect Science shows how they are able to do it. In 2015, a team of researchers from Tsinghua University in Beijing used a high-speed cam... 阅读全文>>

  • 首页
  • 上一页
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 下一页
  • 末页
  • 3527029