The earliest people who lived in North America shared the landscape with huge animals. On any day these hunter-gatherers might encounter a giant, snarling saber-toothed cat ready to pounce, or a group ...

Stone tools found in some of the earliest settlements in the Americas are challenging the prevailing theory of when the first migrations to the region happened. These tools, probably used as spear ...

The earliest people who lived in North America shared the landscape with huge animals. On any day, these hunter-gatherers might encounter a giant, snarling saber-toothed cat ready to pounce or a group ...

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(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Christopher R. Moore, University of South Carolina (THE CONVERSATION) The earliest ...