Anthropologist Richard Wrangham tells Jim Fleming that he thinks cooking contributed to human evolution and is far older than most people think.
Intelligent. Optimistic. Curious.
Audio
Dr. Maden Kataria founded Laughter Clubs International – groups of people who meet to laugh aloud together.
Jim Carrier tells Jim Fleming about some of the historic sites of the Civil Right’s Movement and why they needed an outsider to publicize their locations.
Nathan Rabin, head writer for "The Onion's" entertainment section, "A.V. Club.", explains the pivotal role popular culture has played throughout his life.
Neuro-scientist Robert Provine, author of “Laughter: A Scientific Investigation,” tells Steve Paulson about a two year laughing jag in Tanzania.
Is mathematics what's most real in the universe? MIT physicist Max Tegmark thinks so, and he says it's likely we live in one of many parallel universes.
Janice VanCleave tells Jim Fleming some of the experiments from the "Weather" volume, including how to build a cloud, and why the sky looks blue.
Peter Turchi tells Steve Paulson that both map-making and writing place great importance on the empty spaces.
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