Humans may have lived in America 115,000 years earlier than we thought

For years, scientists have believed that humanity was a relatively recent visitor on the North American continent, migrating from Siberia only 15,000 years ago. Now, more accurate dating of mastodon fossils from California shows that an early human ancestor likely existed on the continent 130,000 years ago, far further back that even the most extreme estimates made by previous researchers. https://youtu.be/HyfSsgCrjb0 The fossils consist of elephant-like teeth and bones, which were...

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