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Who were the first Americans, and when did they arrive? Did they get here by land or sea? Experts used to agree that the first Americans walked across the Bering land bridge from Asia about 12,000 years ago, then found their way south, eventually colonizing all of North and South America. But exciting recent finds at sites on both continents have triggered new theories.

Upcoming Broadcasts

  • Sunday, May 10 from 12:00 a.m. - 1:00 a.m. on OPB PLUS