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Ancient Human Remains Document Migration From Asia To America

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Here's what archaeologists think the Upward Sun River camp in what is now central Alaska looked like 11,500 years ago. (Eric S. Carlson and Ben A. Potter/Nature)
Here's what archaeologists think the Upward Sun River camp in what is now central Alaska looked like 11,500 years ago. (Eric S. Carlson and Ben A. Potter/Nature)

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