Like the dinosaur extinction (Introduction)

by David Turell @, Saturday, August 30, 2014, 15:31 (3498 days ago)

It appears an impact wiped out the North American megafauna 13,000 years ago:-http://wattsupwiththat.com/2014/08/29/younger-dryas-climate-event-solved-via-nanodiamonds-it-was-a-planetary-impact-event/

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