Marco Iacoboni talks about mirror neurons - neurons hard-wired into us and explain how we feel empathy and compassion and why we feel the need to connect with one another.
Intelligent. Optimistic. Curious.
Audio
Ken Eklund is the creator of the alternate reality game "World Without Oil." He describes the game and we hear the comments of several game bloggers.
Mark Kurlansky tells Steve Paulson that salt made food a tradable commodity and that it inspired revolutions from India to France. Because people have to have salt, governments want to control and tax it.
Kate Lebo is The Pie Poet. She runs a pastry academy and writer's studio called The Pie School, She's published poetry about pies and a pie cookbook.
Noam Chomsky may be America's most prominent radical intellectual. An outspoken critic of U.S. foreign policy, he says the mainstream media simply won't acknowledge his political perspective.
We asked you to share memories and stories of your most precious saved handwriting. Here's some of what you told us.
Juan Cole, author of "Engaging the Muslim World," tells Steve Paulson that Barack Obama has good reasons to reach out to Iran.
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