News tagged with united

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Study shows loss of 15-42 percent of mammals in North America

Biology / Ecology

created Dec 17, 2009 | popularity 3.2 / 5 (9) | comments 5

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 ...


maize

The impact of the diffusion of maize to the Southwestern United States

Other Sciences / Archaeology & Fossils

created Dec 08, 2009 | popularity 4.5 / 5 (6) | comments 0

An international group of anthropologists offers a new theory about the diffusion of maize to the Southwestern United States and the impact it had.


Homicide rates linked to trust in governement, sense of belonging, study suggests

Other Sciences / Social Sciences

created Dec 01, 2009 | popularity 3.7 / 5 (6) | comments 0

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.


The use and misuse of alcohol and marijuana can be traced to a common set of genes

Medicine & Health / Genetics

created Dec 18, 2009 | popularity 2 / 5 (4) | comments 0

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. ...


US-China showdown still looms over climate talks (AP)

US-China showdown still looms over climate talks

Space & Earth / Environment

created Dec 15, 2009 | popularity 5 / 5 (1) | comments 0

(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 ...


First Step To Success steps up in Albuquerque schools

First Step To Success steps up in Albuquerque schools

Medicine & Health / Psychology & Psychiatry

created Nov 30, 2009 | popularity 5 / 5 (1) | comments 0

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 ...


Novel carbon-trading scheme could stop large-scale extinctions

Space & Earth / Environment

created Dec 03, 2009 | popularity 1 / 5 (3) | comments 2

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 ...