America's stone age explorers : where did the first Americans come from? / a TV6 production for BBC and WGBH Boston ; produced by Gary Glassman and Nigel Levy ; narration written by Gary Glassman.
Originally produced on PBS Television as a segment of the television program Nova.
Audience
MPAA rating: Not rated.
Summary
Archaeological experts and others challenge the theory that the first Americans arrived in America around 13,500 years ago and suggest possibilities that they could have arrived even sooner.