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  • Human Spark

The Human Spark | Links in the Evolutionary Chain | PBS

Duration: 04:30 (Full Program)
Program: Human Spark
Broadcast Date: Jan. 1, 2010

An exploration of some of the different characteristics that distinguish different branches of the hominid "family tree," such as brain and face size, ability to make tools, and location.

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Post Date: June 19, 2012