Talk of the Nation

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IRA FLATOW, HOST:

Up next, an entirely different kind of food problem. 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 - with a B - billion dollars 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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IRA FLATOW, HOST:

Up next, Flora Lichtman is here with our Video Pick of the Week. Hi, Flora.

FLORA LICHTMAN, BYLINE: Hi, Ira.

FLATOW: What's in store for us this week?

LICHTMAN: I pretty much geeked out this week.

FLATOW: You geeked...

(LAUGHTER)

Mathematician Ian Stewart joins the Science Friday Book Club meeting to discuss Edwin Abbott's classic Flatland. The book, published in 1884 under the pseudonym "A. Square," tells the story of a two-dimensional world where women are straight lines and men are polygons.

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IRA FLATOW, HOST:

This is SCIENCE FRIDAY. I'm Ira Flatow. Over 115,000 Americans are currently waiting for an organ transplant, and most of them are in need of a kidney. Now, what if we could just create a kidney for them in the laboratory? One of my next guests has experimented with printing out organs using an inkjet printer, but instead of ink, he uses cells.

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IRA FLATOW, HOST:

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NEAL CONAN, HOST:

This is TALK OF THE NATION. I'm Neal Conan.

Gen. George McClellan's Union forces narrowly won the battle of Antietam, but he has long been blamed by historians and politicians for botching an opportunity to destroy Gen. Robert E. Lee's army and bring an early end to the Civil War. Cartographer Gene Thorp argues his critics have it wrong.

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NEAL CONAN, HOST:

This is TALK OF THE NATION. I'm Neal Conan, in Washington. Anti-American tensions flared in many countries over the past two weeks, and it's been difficult for Japanese in China, too, amid protests over disputed islands. In such a situation, what's it like for the businesspeople, diplomats and volunteers who get caught up in the crisis, when they suddenly find their home country the target of violence and outrage?

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NEAL CONAN, HOST:

This is TALK OF THE NATION. I'm Neal Conan, in Washington. Yom Kippur, the Jewish day of atonement, begins at sundown next Tuesday. It's one of the holiest days of the year and marks a time for reflection and repentance. People of many faith backgrounds, and also those who are not especially religious, think about atonement, what it takes to achieve it, and how it affects their lives.