Fresh Air for June 13, 2012 Hear the Fresh Air program for June 13, 2012

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From WHYY in Philadelphia

Yogurt is produced by the bacterial fermentation of milk. "Bacteria in our gut enable us to live," says author Sandor Katz. "We could not survive without bacteria." iStockphoto.com hide caption

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iStockphoto.com

'Fermentation': When Food Goes Bad But Stays Good

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Iris (Emily Blunt, left) invites her best friend Jack to her family's vacation home after a death in his family. Unbeknownst to him, Iris' sister Hannah (Rosemary DeWitt) is already there, in the hopes of getting over a breakup. IFC Films hide caption

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IFC Films

At The Heart Of 'Your Sister's Sister,' A Love Triangle

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Singer, songwriter and swamp-pop pioneer Bobby Charles poses for a portrait in 1972. Michael Ochs Archives/Getty Images hide caption

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Michael Ochs Archives/Getty Images

The Untold Story Of Singer Bobby Charles

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Fresh AirFresh Air

From WHYY in Philadelphia