Audio
Science Friday Initiative

Science Friday: A 10,000 Year Stopover en Route to the New World

9th - 10th
The ancestors of Native Americans may have lived for millennia on the Bering land bridge before fanning out across the Americas.
Instructional Video
Khan Academy

Khan Academy: Tree of Life: Human Prehistory 101 Part 2: Weathering the Storm

9th - 10th
Third in a series of videos that introduces human prehistory, this video describes how early humans continued to defy the odds and populated the Americas during the last Ice Age. [3:25]