Talk of the Nation

In That's Disgusting: Unraveling the Mysteries of Repulsion, psychologist Rachel Herz discusses the origins of disgust — what she calls the 'instinct that's learned' — and why humans turn up their noses at smelly feet but devour expensive cheeses cultured with some of the very same stinky bacteria.

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NEAL CONAN, HOST:

After a few more days of escalating hoopla, the Super Bowl between the New York Giants and the New England Patriots kicks off on Sunday evening, but whether you've got a small financial interest in the game or if you're just waiting for the ads, there are stories on the field in Indianapolis - the Brady legacy, salsa dancer Victor Cruz, hometown boy Mathias Kiwanuka, and of course the medical epic of the high-ankle sprain. What story will you follow in Super Bowl XLVI?

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NEAL CONAN, HOST:

This is TALK OF THE NATION. I'm Neal Conan in Washington. From the Harlem Renaissance to black power, Langston Hughes spoke to the life of African-Americans. The neglected son of a famous abolitionist family, he immersed himself in books. Eighteen years old and just out of high school, he saw sunset on the muddy Mississippi from a train and wrote the poem that introduced the world to Langston Hughes, "The Negro Speaks of Rivers."

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NEAL CONAN, HOST:

You may remember Anthony Mackie as the uptight sergeant who defused bombs in Baghdad with Jeremy Renner in the Oscar-winner "The Hurt Locker."

(SOUNDBITE OF MOVIE, "THE HURT LOCKER")

JEREMY RENNER: (as Sergeant First Class William James) That wasn't so bad. First time working together. What do you think?

ANTHONY MACKIE: (as Sergeant J.T. Sanborn) I think us working together means I talk to you and you talk to me.

RENNER: (as Sergeant First Class William James) We going on a date, Sanborn?

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NEAL CONAN, HOST:

This is TALK OF THE NATION. I'm Neal Conan in Washington. The good news, even in the recession, came from American manufacturing. Output is up one-third over the past decade. But over just about that same period of time, six million manufacturing jobs disappeared. About as many people work in manufacturing now as did at the end of the Depression, though our population has more than doubled.