Human and animal history is so intertwined it's hard to imagine one species without the other.
Intelligent. Optimistic. Curious.
Audio
Francine Segan, author of "The Philosopher's Kitchen", tells us of the importance of bread to the ancient Egyptians, Greeks, and Romans.
Chris Bachelder is the author of "Bear v. Shark: The Novel." He reads excerpts and talks with Anne Strainchamps about the wacky future world he's created.
Bill Ayers was a member of the Weather Underground, which set off a series of bombs around the country in protest against the Vietnam War. Ayers insists he was not a terrorist, since his objective was never to kill people. He believes his own actions showed restraint in comparison with the enormity of the harm he believed the Vietnam War was causing.
Dan Lamoureux is a self-described dork who produced and directed the documentary film "Nerdcore for Life."
In his book "Back to Our Future" David Sirota says the proof is in the staying power of 80s pop culture.
Daniel Dennett is one of the leading advocates of evolutionary theory and a fierce critic of creationism.
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