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  • Human Spark

The Human Spark | I Like to be Mimicked | PBS

Duration: 05:15
Program: Human Spark

Alan Alda becomes a research subject for scientist Tanya Chartrand as she studies how mimicry affects our social interactions and behavior. 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: October 12, 2009