日期:2016-09-01 Scientists today announced the discovery of a new species of pterosaur from the Patagonia region of South America. The cranial remains were in an excellent state of preservation and belonged to a new species of pterosaur from the Early Jurassic. The... 阅读全文>>

日期:2016-09-01 In the southern United States, an afternoon thunderstorm is part of a regular summer day. But new research shows those storms might be doing more than bringing some scary thunder and lightning. In fact, these storms are moving significant amounts of... 阅读全文>>

日期:2016-09-01 Paul G. Allens Vulcan Inc. today announced the results of the $7 million, three-year Great Elephant Census (GEC - http://www.greatelephantcensus.com/), the first-ever pan-African survey of savanna elephants using standardized data collection and val... 阅读全文>>

日期:2016-08-30 Researchers have discovered an enzyme that plays a leading role in the formation of compounds that give aged wines their sought-after aroma. The enzyme is a member of the cytochrome P450 family of enzymes, which are involved in the formation and bre... 阅读全文>>

日期:2016-08-30 Lucy, the most famous fossil of a human ancestor, probably died after falling from a tree, according to a study appearing in Nature led by researchers at The University of Texas at Austin. Lucy, a 3.18-million-year-old specimen of Australopithecus a... 阅读全文>>

日期:2016-08-25 Astronomers using ESO telescopes and other facilities have found clear evidence of a planet orbiting the closest star to Earth, Proxima Centauri. The long-sought world, designated Proxima b, orbits its cool red parent star every 11 days and has a te... 阅读全文>>

日期:2016-08-23 For older adults, having more or closer family members in ones social network decreases his or her likelihood of death, but having a larger or closer group of friends does not, finds a new study that will be presented at the 111th Annual Meeting of... 阅读全文>>

日期:2016-08-23 Lebanon, NH -- (Aug. 22, 2016) Fragility fractures -- those that occur at standing height -- are a significant source of sickness and death among the elderly population in the United States. They are also associated with annual direct costs of over... 阅读全文>>

日期:2016-08-23 What happens to hibernating or torpid animals when a bushfire rages? Are they able to sense danger and wake up from their energy-saving sleep to move to safety? Yes, says Julia Nowack of the University of New England in Australia, lead author of a s... 阅读全文>>

日期:2016-08-23 When animals get sick, they may change their behaviour, becoming less active, for example. The studys lead author, Patricia Lopes from the Department of Evolutionary Biology and Environmental Studies at the University of Zurich, says that previous r... 阅读全文>>

日期:2016-08-22 Paleontologists with the Burke Museum of Natural History and Culture and the University of Washington have discovered a Tyrannosaurus rex, including a very complete skull. The find, which paleontologists estimate to be about 20 percent of the animal... 阅读全文>>

日期:2016-08-22 If you want to mix drinks for a living, dont expect to have a typical family life. That was the conclusion of a study by Tulane University sociologists Emily Starr and Alicia McCraw, who interviewed 40 New Orleans area bartenders for their study, Ba... 阅读全文>>

日期:2016-08-22 Zika infection kills off neural stem cells in adult mice bred to be vulnerable to the virus, researchers at the Rockefeller University and the La Jolla Institute for Allergy and Immunology report August 18 in Cell Stem Cell. It has yet to be studied... 阅读全文>>

日期:2016-08-22 You just received the promotion you have worked so hard for, but you overhear a co-worker say that you got it because the boss only gives the easy projects to you while the hard ones are dumped on everyone else. Some of your envious co-workers come... 阅读全文>>

日期:2016-08-22 Death and mourning were largely considered private matters in the 20th century, with the public remembrances common in previous eras replaced by intimate gatherings behind closed doors in funeral parlors and family homes. But social media is redefin... 阅读全文>>

日期:2016-08-18 Both genetic factors and family environment contribute to risk for chronic pain, and contributions of many genes contribute to risk of both chronic pain and major depressive disorder (MDD), according to a new study published in PLOS Medicine. The re... 阅读全文>>

日期:2016-08-18 Thin clouds at about 5 km altitude are more ubiquitous in the tropics than previously thought and they have a substantial cooling effect on climate. This is shown in a recent study by researchers from Stockholm University and the University of Miami... 阅读全文>>

日期:2016-08-17 Could existing electric vehicles (EVs), despite their limited driving range, bring about a meaningful reduction in the greenhouse-gas emissions that are causing global climate change? Researchers at MIT have just completed the most comprehensive stu... 阅读全文>>

日期:2016-08-17 Ever thought of putting sewage on your plants? Scientists say thermally conditioned sewage sludge serves as an excellent fertilizer to improve soil properties. This was recently published in the open-access journal Frontiers in Nutrition. The major... 阅读全文>>

日期:2016-08-17 The Arctic sea ice responded very rapidly to past climate changes. During the coldest periods of the past 90,000 years the sea ice edge spread relatively quickly to the Greenland-Scotland Ridge, and probably far into the Atlantic Ocean. says first a... 阅读全文>>

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