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 Michio Kaku's Dangerous Idea? A virtual "library of souls."
Michelle Wildgen recommends "Crossing to Safety" by Wallace Stegner.
A few years ago, poet Christian Wiman picked up his pen after a three-year hiatus, when he fell in love and was diagnosed with cancer. Listen in as he reads a poem from "Every Riven Thing," the book of poems that followed. You can also hear our interview with him about the collection.
Elisabeth Sifton is the daughter of theologian Reinhold Niebuhr, who wrote the famous “Serenity Prayer.” Sifton tells Steve Paulson about the history of the Serenity Prayer.
Pulitzer Prize winning journalist Anthony Shadid died on assignment in Syria on February 16. In this UNCUT 2010 interview Shadid told Steve Paulson about covering war and its aftermath.
Bruce Feiler is the author of “Abraham: A Journey to the Heart of Three Faiths.” He tells Jim Fleming that Abraham is a central figure for three great religions - Christianity, Judaism and Islam - but their interpretations of his story are different.
Copenhagen, Johannesburg, Kyoto, Rio... it can be hard to keep track of all the international summits where global leaders have tried to tackle climate change. Do international climate negotiations do any good? Author and lobbyist Felix Dodds thinks so. Here's why...
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