Copernicus changed the world with his revolutionary idea that the sun, not the Earth, is the center of our solar system. Dava Sobel tells us why this momentous discovery wasn't easy for Copernicus himself.
Intelligent. Optimistic. Curious.
Audio
Dean King tells Jim Fleming about the ordeal of Captain James Riley and his crew. They lost their ship and were enslaved by desert nomads for months.
As Dan Pierotti's health worsens, and the end of his life nears, Dan and his wife confront questions about quality of life and saying goodbye.
We hear geo-political expert Charles Emmerson talk with Steve Paulson about the future prospects for the Arctic.
David Grinspoon is the author of “Lonely Planets: The Natural Philosophy of Alien Life.”
In an essay called "Fail," Chuck Klosterman examines the thinking behind the so-called "Unabomber Manifesto."
Daniel Goldmark talks with Jim Fleming about the use of music in animation.
University of Wisconsin historian Florencia Mallon talks about Chilean singer Victor Jara - one of the thousands of Chileans rounded up during the coup and executed.
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