There's a special mystique to the number pi -- songs have been written about it and there's a day named after it. Jordan Ellenberg explains why.
Intelligent. Optimistic. Curious.
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Shakespeare biographer Stephen Greenblatt isn't persuaded by rumors that question William Shakespeare's work. He insists Shakespeare's genius is that he was not a nobleman
William Powers wrote "Hamlet's Blackberry: A Practical Philosophy for Building A Good Life in the Digital Age" because he feared people were getting lost in their electronic worlds.
In China's government-supported tiger farms, big cats are raised and harvested for their body parts -- part of a multi-million dollar trade in tiger bone wine and tiger skin decor. Meanwhile, wild tiger numbers are at an all-time low.
Roy Kaplan tells Steve Paulson what really happens to those people who hit the lottery.
Astrobiologist Sara Seager, who just won a MacArthur "genius" award, says there's certainly life on other planets. Seager describes her search for bio-signatures - evidence of life in other solar systems.
The current economic crisis has Americans talking across the generations to share memories and get some advice, including Steve Paulson who had this conversation with his mother Lisa after she sent him a two page list of "Frugal Ways."
Sapphire performs several of her poems and tells Judith Strasser why she enjoys working in some very old poetic forms such as the villanelle.
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