Contemplating the multiverse is mind-blowing, but if you want a truly earth-shattering controversy in physics, you have to go back 500 years to Copernicus' radical theory. Dava Sobel tells his story.
Intelligent. Optimistic. Curious.
Audio
Physicist Leonard Mlodinow and spiritual teacher Deepak Chopra debate their conflicting worldviews on science and the origins of consciousness.
Ayaan Hirsi Ali may be the world’s most famous critic of Islam. Born a Muslim, Hirsi Ali fled to the Netherlands where she eventually became a member of Parliament...
Author of "Waiting for Snow in Havana" started to worry about death as a child, growing up in Cuba during an era of public executions ...
Physicist Michio Kaku's Dangerous Idea? A virtual "library of souls."
Michelle Wildgen recommends "Crossing to Safety" by Wallace Stegner.
Canadian philosopher Charles Taylor says we're now living in "a secular age," but we're still trying to figure out what a post-religious world looks like, and how we can find meaning in a culture without any over-arching purpose.
Benjamin Nugent is the author of "American Nerd: The Story of My People." He tells Jim Fleming there are two main categories of nerds and something about their history and the different nerdy subcultures.
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