Sudden Climate Change Forced Evolution: Scientists

Early humans saw woodland shift to grassland

By Neal Colgrass,  Newser Staff

Posted Dec 26, 2012 2:30 PM CST | Updated Dec 29, 2012 7:00 PM CST

(Newser) – Early humans evolved in fits and starts due to rapid environmental changes—not gradually as scientists used to think, according to a new study. Analyzing lake sediments in northern Tanzania, scientists from Penn State and Rutgers University concluded that climate change altered the landscape back...   Read full story »

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