Filmmaker Albert Nerenberg's Dangerous Idea? Laugh more.
You can also watch his laughter hack video.
Intelligent. Optimistic. Curious.
Audio
Steve Paulson always dreamed of seeing ancient cave art. He finally got his wish - and tells the story of visiting two French caves with anthropologist Christine Desdemaines-Hugon.
We re-examine the myth of Robert Johnson. The most famous blues singer of them all died at the age of 27 after recording only 29 songs. Today he's idolized, but Elijah Wald says that may be for the wrong reasons.
Dr. Ted Kaptchuk tells Steve Paulson about the work of some Danish researchers who have concluded that “the Placebo effect” is a myth.
Clyde Roper tells Jim Fleming what giant squid look like and what else biologists are learning about the deep ocean while the hunt for giant squid goes on.
Ernie Cline talks to Anne Strainchamps about his novel, "Ready Player One," which revolves around a massively multi-player online game and '80s pop culture.
Ariel Glucklich tells Jim Fleming about ritual self-punishment in various religions and how the experience of self-inflicted pain can seem liberating.
David Edmonds talks with Steve Paulson about an incident in the life of philosopher Ludwig Wittgenstein and explains why Wittgenstein’s views have been supplanted.
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