Copernicus changed the world with his revolutionary idea that the sun, not the Earth, is the center of our solar system. Dava Sobel tells us why this momentous discovery wasn't easy for Copernicus himself.
Intelligent. Optimistic. Curious.
Audio
He traveled the Amazon in search of drug-induced visionary experiences. That wild adventure led to a lifelong study of hallucinogens.
Chris Kilham tells Jim Fleming that it’s OK to eat chocolate and has the data to prove it.
David Grinspoon is the author of “Lonely Planets: The Natural Philosophy of Alien Life.”
Fred Burton says we're right to fear the insidious threat of terrorism. Burton was one of the first three agents to serve in the U.S. government's elite Counter-Terrorism Division and is the author of "Ghost: Confessions of a Counter-terrorism Agent."
In this UNCUT interview, Katherine Boo talks about her much-lauded book, “Behind the Beautiful Forevers”.
Photographer Sarah Sudhoff has been intrigued by mortality for almost as long as she can remember. She's made art out of out of disease, hospitals, funeral homes. In her series, At The Hour of Our Death, she's taking an close look at death.
Eric Idle talks with Doug Gordon about death and comedy. And we hear some Monty Python clips.
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