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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Thomas Campanella tells Jim Fleming the Elm tree once spread its arching branches over trees from one end of the country to the other, but in the end it was loved to death.
Stacy Schiff's new book "Cleopatra: a life" describes the Egyptian queen as a shrewd political strategist and a brilliant leader.
Political science professor Wendy Brown believes tolerance should never be considered a substitute for equality, and says doing so could mask historical injustices.
Stewart Brand, founder of the Whole Earth Catalogue, says it's time to get pragmatic about managing climate change.
Anousheh Ansari became the first Muslim woman to venture into space when she traveled aboard the International Space Station.
Shelley Mitchell has created a one-woman play called "Talking with Angels." She talks with Anne Strainchamps about the play and the historical incident and book on which it's based.
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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