日期:2016-07-13 Children who suck their thumbs or bite their nails may be less likely to develop allergies, according to a new study from New Zealands University of Otago. The finding emerges from the long-running Dunedin Multidisciplinary Study, which has followed... 阅读全文>>

日期:2016-07-13 Traumatic brain injury (TBI) with a loss of consciousness (LOC) may be associated with later development of Parkinsons disease but not Alzheimers disease or incident dementia, according to a study conducted at the Icahn School of Medicine at Mount S... 阅读全文>>

日期:2016-07-13 Anonymity networks protect people living under repressive regimes from surveillance of their Internet use. But the recent discovery of vulnerabilities in the most popular of these networks -- Tor -- has prompted computer scientists to try to come up... 阅读全文>>

日期:2016-07-11 For the first time in New Zealand waters an extremely rare grouping of Shepherds Beaked Whales has been spotted from a University of Otago research vessel off the coast of the city of Dunedin in the South Island. Dr Will Rayment, from Otagos Departm... 阅读全文>>

日期:2016-07-11 If you thought Luke Skywalkers home planet, Tatooine, was a strange world with its two suns in the sky, imagine this: a planet where youd either experience constant daylight or enjoy triple sunrises and sunsets each day, depending on the seasons, wh... 阅读全文>>

日期:2016-07-11 Galaxies come in three main shapes - elliptical, spiral (such as the Milky Way) and irregular. They can be massive or small. To add to this mix, galaxies can also be blue or red. Blue galaxies are still actively forming stars. Red ones mostly are no... 阅读全文>>

日期:2016-07-11 I had two fathers, a rich one and a poor one. One was highly educated and intelligent; he had a Ph.D. and completed four years of undergraduate work in less than two years. He then went on to Stanford University, the University of Chicago, and North... 阅读全文>>

日期:2016-07-11 The cells of plants, animals and humans all use electrical signals to communicate with each other. Nerve cells use them to activated muscles. But leaves, too, send electrical signals to other parts of the plant, for example, when they were injured a... 阅读全文>>

日期:2016-07-07 Imagine an agriculture field. Most are planted with row upon row of tidy cash crops. Now imagine that same field with rows of trees between the rows of crops. This forested field concept is called alley cropping. Alley cropping helps farmers diversi... 阅读全文>>

日期:2016-07-07 A recent drought completely shut down the Amazon Basins carbon sink, by killing trees and slowing their growth, a ground-breaking study led by researchers at the Universities of Exeter and Leeds has found. Previous research has suggested that the Am... 阅读全文>>

日期:2016-07-07 NASAs Cassini and Huygens missions have provided a wealth of data about chemical elements found on Saturns moon Titan, and Cornell scientists have uncovered a chemical trail that suggests prebiotic conditions may exist there. Titan, Saturns largest... 阅读全文>>

日期:2016-07-07 Data from a now-defunct X-ray satellite is providing new insights into the complex tug-of-war between galaxies, the hot plasma that surrounds them, and the giant black holes that lurk in their centres. Launched from Japan on February 17, 2016, the J... 阅读全文>>

日期:2016-07-01 Researchers report in the journal Cell Reports a targeted molecular therapy that dramatically reduces the initial development of Non Alcoholic Fatty Liver Disease (NAFLD) in laboratory mouse models of the disease. The study, published online June 30... 阅读全文>>

日期:2016-07-01 MIT researchers have developed low-cost chemical sensors, made from chemically altered carbon nanotubes, that enable smartphones or other wireless devices to detect trace amounts of toxic gases. Using the sensors, the researchers hope to design ligh... 阅读全文>>

日期:2016-07-01 An international team of scientists from Oxford University, UK, and Tel-Hai College, Israel, has shown that pea plants can demonstrate sensitivity to risk - namely, that they can make adaptive choices that take into account environmental variance, a... 阅读全文>>

日期:2016-07-01 Research by an international team of environmental scientists from the United Kingdom, Belgium and United States, including Indiana University, has found that plants that associate with one type of symbiotic fungi grow bigger in response to high lev... 阅读全文>>

日期:2016-07-01 Scientists at MIT and elsewhere have identified the first fingerprints of healing of the Antarctic ozone layer, published today in the journal Science. The team found that the September ozone hole has shrunk by more than 4 million square kilometers... 阅读全文>>

日期:2016-06-30 Climate has influenced the distribution patterns of Adlie penguins across Antarctica for millions of years. The geologic record shows that as glaciers expanded and covered Adlie breeding habitats with ice, penguin colonies were abandoned. When the g... 阅读全文>>

日期:2016-06-30 The Universe is becoming gradually cleaner as more and more cosmic dust is being mopped up by the formation of stars within galaxies, an international team of astronomers has revealed. Peering back 12 billion years using the Herschel space telescope... 阅读全文>>

日期:2016-06-30 Human use of artificial light is causing Spring to come at least a week early in the UK, researchers at the University of Exeter in Cornwall have found. New research led by a team of biologists based at the Universitys Penryn campus highlights for t... 阅读全文>>

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