Summary: The enormous advances in technology during the 20th century have allowed us to learn more about ourselves and where we came from. Charles Osgood shares amazing discoveries made by archaeologists, biochemists, paleoanthropologists, and geologists.

Format: moving image

Publisher / Publication Date: WGBH Boston Video 2005

Copies Available at Woodmere

1 available in E-TV DVDs, Call number: DVD E-TV ORI