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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
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Amazon deforestation brings loss of microbial communities
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Olympics: Putin orders Sochi check after quake
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Seven dead as US storm snarls post-Christmas travel
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24/7 Energy News Coverage
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Study explains how droplets can levitate on liquid surfaces

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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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Thousands flee Malaysia floods, dam wall broken
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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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Israel ready to cooperate with Saudi to face Iran: defence chief

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White Christmas for Moscow while south Europe sweats
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Oldest timber constructions unearthed

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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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