News tagged with mass extinction

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First plants caused ice ages: research

New research reveals how the arrival of the first plants 470 million years ago triggered a series of ice ages. Led by the Universities of Exeter and Oxford, the study is published today (February 1, 2012) in Nature Geoscience.

Feb 01, 2012
4.1 / 5 (15) 12 | with audio podcast

Killer algae a key player in mass extinctions

Algae, not asteroids, were the key to the end of the dinosaurs, say two Clemson University researchers. Geologist James W. Castle and ecotoxicologist John H. Rodgers have published findings that toxin producing ...

Oct 19, 2009
4.4 / 5 (17) 4