Scientists believe that near-death experiences are real, but there is much debate why they occur and what they might mean. Here's a quick primer on some of the leading thinkers in the field.
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.
Frank Knight talks with Anne Strainchamps about the ancient smells his company creates for natural history museums. He’s especially proud of the T-Rex stink.
Don't look for authenticity on your plate! That's the message of Barry Glassner's book, "The Gospel of Food."
As Dan Pierotti's health worsens, and the end of his life nears, Dan and his wife confront questions about quality of life and saying goodbye.
Bill McKibben has been warning us about global warming since his 1989 book "The End of Nature." In his new Book, "Deep Economy," he makes the case that "more" does not lead to a happier life.
We hear geo-political expert Charles Emmerson talk with Steve Paulson about the future prospects for the Arctic.
Daniel Goldmark talks with Jim Fleming about the use of music in animation.
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