National Parks are important to America. And not just for the environment. But for the well-being of those who visit. Yet a large portion of the US popular has never set foot in a National Park. Especially African Americans. Independent producer James Mills wanted to know why. And he went all the way back to the Buffalo Soldiers, exploring what he calls "The Adventure Gap
Intelligent. Optimistic. Curious.
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Imagine mixing and matching your senses. People with a neurological condition called synesthesia can see music or hear colors. A few decades ago, scientists thought it was a myth, but neuroscientist David Eagleman says artists and synesthesia go way back.
Political science professor Wendy Brown believes tolerance should never be considered a substitute for equality, and says doing so could mask historical injustices.
Sam Keen is the author of "Sightings: Extraordinary Encounters with Ordinary Birds." He reads several passages from his book, and talks with Steve Paulson.
Tom Paine is the author of a novel called “The Pearl of Kuwait.” It follows the experiences of a Vietnamese-American Marine during the first Gulf War.
Shakespeare biographer Stephen Greenblatt isn't persuaded by rumors that question William Shakespeare's work. He insists Shakespeare's genius is that he was not a nobleman
In China's government-supported tiger farms, big cats are raised and harvested for their body parts -- part of a multi-million dollar trade in tiger bone wine and tiger skin decor. Meanwhile, wild tiger numbers are at an all-time low.
Virginia Morell wrote a cover story for National Geographic Magazine on the latest research going on in the field of animal intelligence.
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