News tagged with united
Study shows loss of 15-42 percent of mammals in North America
Dec 17, 2009 |
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If the planet is headed for another mass extinction like the previous five, each of which wiped out more than 75 percent of all species on the planet, then North American mammals are one-fifth to one-half the way there, according ...
The use and misuse of alcohol and marijuana can be traced to a common set of genes
Dec 18, 2009 |
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Marijuana is the most commonly used illicit drug in the United States. Roughly eight to 12 percent of marijuana users are considered "dependent" and, just like alcohol, the severity of symptoms increases with heavier use. ...
The world's next economic hot spot?
Dec 21, 2009 |
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(PhysOrg.com) -- A bailout by neighboring emirate Abu Dhabi has apparently stabilized Dubai’s financial crisis. But the longer-term economic impact—on Dubai and other nations—could grow more serious.
The impact of the diffusion of maize to the Southwestern United States
Other Sciences / Archaeology & Fossils
Dec 08, 2009 |
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An international group of anthropologists offers a new theory about the diffusion of maize to the Southwestern United States and the impact it had.
US, Russia begin talks on cyberspace security: report
Dec 13, 2009 |
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The United States has begun talks with Russia and a UN arms control committee about strengthening Internet security and limiting military use of cyberspace, The New York Times reported.
US-China showdown still looms over climate talks
Dec 15, 2009 |
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(AP) -- In a showdown between the world's two largest polluters, China accused the United States and other rich nations Tuesday of backsliding on fighting global warming and the top U.S. envoy said Chinese ...
Internet still under US grip: forum delegates
Nov 18, 2009 |
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The Internet is still under the control of the United States, participants at a governance forum said, despite a move by America to loosen its grip over the private corporation that administers the net.
Record high temperatures far outpace record lows across US (w/ Video)
Space & Earth / Earth Sciences
Nov 12, 2009 |
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Spurred by a warming climate, daily record high temperatures occurred twice as often as record lows over the last decade across the continental United States, new research shows. The ratio of record highs ...
Novel carbon-trading scheme could stop large-scale extinctions
Dec 03, 2009 |
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A new strategy for saving tropical forest species was published in the leading journal Science on the eve of the United Nations Framework Convention on Climate Change in Copenhagen, Denmark, by a team of researchers, includ ...
Good food nation: Researchers think America's obesity epidemic can be reversed via 'foodsheds'
Nov 10, 2009 |
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(PhysOrg.com) -- In the last three decades, childhood obesity in the United States has become a massive public-health problem. According to the Centers for Disease Control, between 1980 and 2006 the percentage ...
Study: Learning Science Facts Doesn't Boost Science Reasoning
Jan 29, 2009 |
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(PhysOrg.com) -- A study of college freshmen in the United States and in China found that Chinese students know more science facts than their American counterparts -- but both groups are nearly identical when it comes to ...
Homicide rates linked to trust in governement, sense of belonging, study suggests
Other Sciences / Social Sciences
Dec 01, 2009 |
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When Americans begin routinely complaining about how they hate their government and don't trust their leaders, it may be time to look warily at the homicide rate.
Voyage to the centre of the 'Plastic Vortex'
Space & Earth / Earth Sciences
May 25, 2009 |
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A group of conservationists and scientists is due to set sail for an obscure corner of the Pacific Ocean in the coming months to explore a vast swirl of waste known as the "Plastic Vortex."
Widowed facing higher mortality risk, researcher finds
Dec 02, 2009 |
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Married people in the United States are living longer these days, but the widowed are experiencing a higher mortality rate, according to new research by a Michigan State University sociologist.
First Step To Success steps up in Albuquerque schools
Medicine & Health / Psychology & Psychiatry
Nov 30, 2009 |
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A school-based behavioral intervention program developed under a federal grant in the mid-1990s at the University of Oregon, already in widespread use, now has shown real value on a complex stage, scoring ...
