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Paleo study shows how elevation may affect evolution

About 34 million years ago, global temperatures took a dive, causing a sudden wave of extinctions among European mammals. In North America, however, life went on largely unscathed. A new study explains why: The rise of the ...

dateJun 03, 2015 in Evolution
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Moore tornado a rarity, experts say

Tornados, among the most violent of atmospheric storms, rarely reach the size and brutality of the twister that swept through an Oklahoma City suburb on Monday, experts say.

dateMay 21, 2013 in Environment
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Software to help plan the smart grid

(Phys.org) —Because of its vastness, complexity, and indispensability, the American power grid presents a number of different challenges to state utility commissions, legislators, energy utilities and researchers who wish ...

dateMay 01, 2013 in Software
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