Humans responsible for demise of gigantic ancient mammals

13 agosto 2015

Scientists claim their research settles a prolonged debate over whether mankind or climate change was the dominant cause of the demise of massive creatures in the time of the sabretooth tiger, the woolly mammoth, the woolly rhino and the giant armadillo.
http://www.sciencedaily.com/releases/2015/08/150813104305.htm

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