The remains of a mastodon discovered during a routine excavation in California shows there was human activity in North America 130,000 years ago -- or about 115,000 years earlier than previously thought.
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Wed, 04/26/2017 - 10:18am
The remains of a mastodon discovered during a routine excavation in California shows there was human activity in North America 130,000 years ago -- or about 115,000 years earlier than previously thought.