The Human Spark | I Like to be Mimicked | PBS

http://www.pbs.org/humanspark 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? Coming to PBS in January 2010. Learn more, and tell us what YOU think makes us human at http://www.pbs.org/humanspark