Talk of the Nation

The Ig Nobel Prizes honor scientific research that, in the words of Master of Ceremonies Marc Abrahams, "first makes you laugh, and then makes you think." This year's prizes, awarded in late September, include citations for research into mysteriously green hair, potentially explosive colonoscopies, and the creation of equations that model the back-and-forth swing of a ponytail in motion.

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IRA FLATOW, HOST:

Get out a pencil and paper and your graphic calculator because it's time for a little math review. And we'll warm up with some algebra, move on to imaginary numbers, then the quadratic formula, and we're going to finish up with a bit of vector calculus, how about some probability theory thrown in. No, no, no, I'm just joking. Don't turn off the radio just yet.

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IRA FLATOW, HOST:

Up next, some food for thought as you chomp your Thanksgiving leftovers. Recycling paper and plastic, as you know, is an effective way to save money and energy. So why not recycle all the uneaten food that goes to waste? And there is an awful lot of it. Forty percent of the food in the U.S. today goes uneaten, which means Americans are throwing out the equivalent of $165 billion worth of food each year. But that's not all. Food waste, as it decays in landfills, also produces methane, which is a potent greenhouse gas.

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NEAL CONAN, HOST:

Scottish comedian and actor Billy Connolly has been performing for over 50 years now. His TV credits include the sitcom "Head of the Class." He co-starred with Judi Dench in the movie "Mrs. Brown." New projects include Dustin Hoffmann's directorial debut, "Quartet," with, among others, Maggie Smith. And he plays a dwarf king in "The Hobbit." But what he does, as he puts it, is standup comedy.

(SOUNDBITE OF STANDUP SHOW)

BILLY CONNOLLY: Algebra was a mystery to me.

Connolly, 1A plus 1B?

Since 2008, the oral history project StoryCorps has encouraged Americans to record an interview with a loved one on the day after Thanksgiving. It's become known as the National Day of Listening. This year, in conjunction with the launch of their Military Voices Initiative, the National Day of Listening is featuring conversations with veterans or those serving in the military. StoryCorps founder Dave Isay tells listeners about the military stories collected through the project and how lives change when someone listens.

It's a tradition for many of us to gather with family and friends on Thanksgiving. The menu and the festivities are often the same: A look at the big parade in New York City on TV, maybe a game of touch football. But some friends may not be able to make it to dinner: the loved ones serving in the military overseas, a family member who's passed away since this time last year, or maybe someone who has to work today. Host Neal Conan takes calls from listeners who want to share stories about who's not at their Thanksgiving table this year.

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NEAL CONAN, HOST:

This is TALK OF THE NATION. I'm Neal Conan in Washington. The electoral sun sets for West, the former presidential candidate blames his loss on the president's gifts, but the Tea Party senator-elect from Texas blames that Romney cozied up in that third debate. It's Wednesday and time for a...

SENATOR-ELECT TED CRUZ: French kissed...

CONAN: ...edition of the political junkie.

(SOUNDBITE OF ARCHIVED RECORDINGS)

PRESIDENT RONALD REAGAN: There you go again.

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NEAL CONAN, HOST:

Much more later today and in the days ahead on the ceasefire announced between Israel and Hamas about winners and losers and what happens next. But what effect of the news will be to refocus attention on the civil war in Syria where there have also been some major developments.

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NEAL CONAN, HOST:

This is TALK OF THE NATION. I'm Neal Conan, in Washington. Whether you call it battle fatigue or shellshock or PTSD, we've come to accept that the trauma of combat can leave profound psychological scars. But how do you describe the damage from actions that violate one's values, but don't involve trauma, injury from horrific scenes that betray core moral beliefs?