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December 27, 2012
Fluctuating environment may have driven human evolution
University Park PA (SPX) Dec 27, 2012
A series of rapid environmental changes in East Africa roughly 2 million years ago may be responsible for driving human evolution, according to researchers at Penn State and Rutgers University. "The landscape early humans were inhabiting transitioned rapidly back and forth between a closed woodland and an open grassland about five to six times during a period of 200,000 years," said Clayton Magill, graduate student in geosciences at Penn State. "These changes happened very abruptly, with each tran ... read more
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Deforestation in the Amazon equals net losses of diversity for microbial communities
Research from an international team of microbiologists has revealed a new concern about deforestation in the Amazon rainforest - a troubling net loss in the diversity among the microbial organisms r ... more

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Ups and downs of biodiversity after mass extinction
The climate after the largest mass extinction so far 252 million years ago was cool, later very warm and then cool again. Thanks to the cooler temperatures, the diversity of marine fauna ballooned, ... more


Amazon deforestation brings loss of microbial communities
An international team of microbiologists led by Klaus Nusslein of the University of Massachusetts Amherst has found that a troubling net loss in diversity among the microbial organisms responsible f ... more
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Olympics: Putin orders Sochi check after quake
Russia's President Vladimir Putin ordered the emergencies ministry to check the 2014 Olympic sites in the southern city of Sochi following a string of earthquakes, his spokesman said. ... more

Seven dead as US storm snarls post-Christmas travel
A massive winter storm system that whipped up tornadoes, ice and snow from the Gulf of Mexico to the Great Lakes on Christmas Day, killing at least seven people, headed for the northeastern US Wednesday. ... more
24/7 Energy News Coverage
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Toyota unveils self-driving car

Greenpeace mulls bid for Swedish lignite group

Poroshenko Ends Cooperation With Russia on Nuclear Plant Construction

Nanocellulose materials by design

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'Yak insurance' plan saving Nepal's snow leopard
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Toyota ups 2012 sales forecast to 9.7 mn vehicles
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Four dead as heavy rains flood Iraq capital
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China suspends officials after 11 kids die in road wreck
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Military Space News, Nuclear Weapons, Missile Defense
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U.S. Navy sends guided-missile destroyer to Japan

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White Christmas for Moscow while south Europe sweats
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Christmas misery in Haiti camp, three years after quake

World's longest bullet train service launched in China

New Japan PM faces tests on diplomacy, economy

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