Many in the environmental movement disagree with Brand. Paxus Calta is one. He's been an anti-nuclear activist for over 30 years. He gives his reasons for his position.
Intelligent. Optimistic. Curious.
Audio
MigraZoom is a participatory photography project with migrants in transit through Mexico en route to the U.S. MigraZoom tells us their own migration experience trough the lens of a camera.
Groundbreaking theoretical physicist Lee Smolin weighs in on creative problem solving in physics. Some advice that has served him? Start fresh every ten years.
If you heard some of Jim's readings from lauded Latin American author Eduardo Galeano's "Children of the Day" and want to hear more, voilà!
If you're worried about zombies every time you step outside, Max Brooks is your man.
John Huss is the co-editor, with David Werther, of "Johnny Cash and Philosophy: The Burning Ring of Truth." In the book, 21 philosophers muse about the music of Johnny Cash.
Karen Armstrong is a historian of religion. Her latest book is "The Case for God."
<p>9/11 REMEMBERED: Philippe Petit spent years planning his illegal 1974 performance at the World Trade Center where he tight-rope walked between the Twin Towers. Petit looks back at the event and talks about what the destruction of the Towers meant for him.</p>
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