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>>

日期:2016-06-30 As Louisianas wetlands continue to disappear at an alarming rate, a new study has pinpointed the man-made structures that disrupt the natural water flow and threaten these important ecosystems. The findings have important implications for New Orlean... 阅读全文>>

日期:2016-06-30 University of Montana researchers are giving the public its first look at the widespread use of herbicides on federal and tribal land in North America, and they urge land managers to better document it. Herbicides originally were developed to suppre... 阅读全文>>

日期:2016-06-30 In the face of climate change impact and inevitable sea level rise, Cornell and Scenic Hudson scientists studying New Yorks Hudson River estuary have forecast new intertidal wetlands, comprising perhaps 33 percent more wetland area by the year 2100.... 阅读全文>>

日期:2016-06-30 The long-lasting effects of El Nio are projected to cause an intense fire season in the Amazon, according to the 2016 seasonal fire forecast from scientists at NASA and the University of California, Irvine. El Nio conditions in 2015 and early 2016 a... 阅读全文>>

日期:2016-06-28 The potential evolutionary link between hairs in mammals, feathers in birds and scales in reptiles has been debated for decades. Today, researchers of the University of Geneva (UNIGE) and the SIB Swiss Institute of Bioinformatics, Switzerland, demon... 阅读全文>>

日期:2016-06-28 Teacher burnout and student stress may be linked, according to a University of British Columbia study. The study is the first of its kind to examine the connection between teacher burnout and students cortisol levels, which are a biological indicato... 阅读全文>>

日期:2016-06-28 Around 4.6 billion years ago, the universe was a chaos of collapsing gas and spinning debris. Small particles of gas and dust clumped together into larger and more massive meteoroids that in turn smashed together to form planets. Scientists believe... 阅读全文>>

日期:2016-06-27 Research teams on both sides of the Atlantic have shown that precise modeling of the universe and its contents will change the detailed understanding of the evolution of the universe and the growth of structure in it. One hundred years after Einstei... 阅读全文>>

日期:2016-06-27 A new study by Simon Fraser University marine ecologists Jessica Schultz, Ryan Cloutier and Isabelle Ct has discovered that a mass mortality of sea stars resulted in a domino effect on B.C.s West Coast Howe Sound marine ecology. In the summer of 201... 阅读全文>>

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