The Mastodon That's Rewriting Human History

The Mastodon That's Rewriting Human History – Second Thought SUBSCRIBE HERE: http://bit.ly/2nFsvTS The subject of the early years of humanity is a fascinating one, and there’s much speculation surrounding the date of arrival in the Americas. A new research paper has proposed that the date may be much, MUCH earlier than previously thought. How much earlier? Watch and find out! Certain clips courtesy of Nature Divider by Chris Zabriskie is licensed under a Creative Commons Attributi

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