Summary: At one time, experts agreed that the first Americans walked across the Bering land bridge from Asia approximately 12,000 years ago, eventually colonizing all of North and South America. But exciting recent finds on both continents have triggered entirely new theories. In Coming to America, a part of the PBS Scientific American Frontiers series, host Alan Alda heads back to the past by exploring...

Format: software, multimedia

Publisher / Publication Date: Films Media Group 2004

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