日期:2016-07-16 Snoring happens when your airflow becomes partially blocked. Some easy fixes: Try sleeping on your side or stomach (research shows those positions may reduce snoring) and avoiding alcohol (liquor can relax throat muscles, making it more difficult fo... 阅读全文>>

日期:2016-07-16 Just the opposite. Numerous studies have shown that coffee is associated with impressive health perks. Its been linked to lower risk of heart disease, Parkinsons, and liver cancer -- and it might even help you live longer. In fact, a recent study in... 阅读全文>>

日期:2016-07-16 The 2015 Dietary Guidelines for Americans recommends that less than 10 percent of daily calories come from added sugars. Thats under 200 calories, or 50 grams, in a 2,000-calorie diet. Reality check: If youve been avoiding fruits that are high in su... 阅读全文>>

日期:2016-07-16 Women who take an aspirin before sex may increase the likelihood of conceiving a baby boy, suggest researchers. 美国的研究人员发现,女性若在性生活前服用阿司匹林,怀上男孩的可能性会增加。 In a recent study, women with a history of miscarriages were m... 阅读全文>>

日期:2016-07-16 Why do some organisms within a single species have many offspring, while others have relatively few? A new study led by University of Minnesota researcher Emilie Snell-Rood finds that access to some nutrients may be a star player in shaping traits r... 阅读全文>>

日期:2016-07-16 A new study has found for the first time that ocean warming is the primary cause of retreat of glaciers on the western Antarctic Peninsula. The Peninsula is one of the largest current contributors to sea-level rise and this new finding will enable r... 阅读全文>>

日期:2016-07-16 Levels of global biodiversity loss may negatively impact on ecosystem function and the sustainability of human societies, according to UCL-led research. This is the first time weve quantified the effect of habitat loss on biodiversity globally in su... 阅读全文>>

日期:2016-07-16 Scientists from the University of Oxford have shown that newly hatched ducklings can readily acquire the concepts of same and different - an ability previously known only in highly intelligent animals such as apes, crows and parrots. Ducklings and o... 阅读全文>>

日期:2016-07-16 No need to head to the movie theater or download the video game app: Angry Birds can be found right in your backyard this summer--if you live in the suburbs, that is. Virginia Tech researchers recently found that birds that live in suburban areas ex... 阅读全文>>

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>>

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