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04-07-2012, 03:13 AM
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Obama Embraces National Security as Campaign Issue
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#1
12-09-2022, 04:40 PM
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Paleontologist explores how mass extinction and evolution are intimately linked
 British paleontologist Thomas Halliday reveals how extinction is intimately linked to evolution in his book, Otherlands. He chronicles 16 extinct ecosystems over the past 520 million years to show how everything living today is the descendant of survivor species.More...
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