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  • Human Spark

The Human Spark | Becoming Us | Wear Grandma's Teeth | PBS

Duration: 03:35
Program: Human Spark

Alan Alda vists the rock shelter of Abri Castanet in Southwest France, where he is shocked to learn about some of our ancestors' early behaviors. "And we're descendents of these people?!" In "The Human Spark," Alan Alda visits dozens of scientists on three continents -- and even undergoes an examination of his own brain -- to find the answer to one question: What makes us human?

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Post Date: January 4, 2010