If It Ain't Broke...
Clip: Season 1 | 1m 24s
Archaeologist John Shea explains the context and construction of one of early humans' first tools-the stone hand ax.
Aired: 01/01/10
Major funding for THE HUMAN SPARK is provided by the National Science Foundation, and by the Alfred P. Sloan Foundation. Additional funding is provided by the John Templeton Foundation, the …
Major funding for THE HUMAN SPARK is provided by the National Science Foundation, and by the Alfred P. Sloan Foundation. Additional funding is provided by the John Templeton Foundation, the Cheryl and Philip Milstein Family, and The Winston Foundation.
