Physicist Clifford Pickover talks with Steve Paulson about Magic Squares and why people get hooked on them.
Intelligent. Optimistic. Curious.
Audio
From the tiniest microscopic particles to some of the biggest structures on earth, the new science of astrobiology is leading the way to the discovery of life elsewhere in the universe. Dimitar Sasselov explains why the creation of the world's first artificial cells will revolutionize lifeon our planet.
Novelist Richard Powers bookmarks "Objects and Empathy" by Arthur Saltzman.
Drew Gilpin Faust's latest book, This Republic of Suffering, explores one of the most sobering aspects of the Civil War: its colossal death toll.
Cary Sudler returns to his ancestral home to apologize to the black members of his family for the injustice of slavery.
Craig Venter, who's come as close as anyone has to creating life in a test tube, tells Steve Paulson what drives him.
Bryandt Urstadt tells Steve Paulson about the grim future the peak oilers are already getting ready for and thinks we should all buy gold.
Chimamanda Ngozi Adichie is a Nigerian novelist whose book "Half of A Yellow Sun" is set during the period of civil violence surrounding the creation of Biafra.
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