Craig Venter, who's come as close as anyone has to creating life in a test tube, tells Steve Paulson what drives him.
Intelligent. Optimistic. Curious.
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Bryandt Urstadt tells Steve Paulson about the grim future the peak oilers are already getting ready for and thinks we should all buy gold.
Azhar Usman is a comedian who's appearing on the "Allah Made Me Funny! Official Muslim Comedy Tour."
Erica Rowell has worked in the movie industry and as a journalist. She's the author of "The Brothers Grim: The Films of Ethan and Joel Coen."
Literary theorist Terry Eagleton's Dangerous Idea? The humanities are dying.
Daniel Tammet has memorized the number pi into the tens of thousands of digits. He's learned new languages in a few weeks. He describes the gift - and the burden - of being an autistic savant.
Writer David Morris explains why "Solo Faces" by James Salter is one of his favorite books.
Do nations need states? Do ethnic, religious, and/or linguistic groups of people – do they, in this age of globalization, do they need to form a country with borders and an army and all that comes along with that? Do they need to be a state?
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