http://www.ted.com Civil wars and ethnic conflicts have brought the world incredible suffering, but Stefan Wolff’s figures show that, in the last 20 years, their number has steadily decreased. He extracts critical lessons from Northern Ireland, Liberia, Timor and more to show that leadership, diplomacy and institutional design are our three most effective weapons in waging peace.
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http://www.ted.com As we bring gameplay into more aspects of our lives (from socializing to exercising), Tom Chatfield talks about one compelling aspect of videogaming: its measurability. Parceling out rewards at carefully calibrated percentages, games collect reams of data about what humans truly find rewarding, and precisely how hard we’re willing to work for a win.
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http://www.ted.com Using animation, projections and her own moving shadow, Miwa Matreyek performs a gorgeous, meditative piece about inner and outer discovery. Take a quiet 10 minutes and dive in.
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http://www.ted.com Musical innovator Andrew Bird winds together his trademark violin technique with xylophone, vocals and sophisticated electronic looping. Add in his uncanny ability to whistle anything, and he becomes a riveting one-man orchestra.
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Read the Transcript: http://to.pbs.org/bUZvP5

The summit of the world’s 20 leading economies in South Korea ended with general statements on key issues, but specific actions on currency and trade disputes were left for another day. Jeffrey Brown speaks with Sewell Chan of the New York Times, who covered the Seoul summit.
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Dec. 31, 2008 — Peter Matthiessen, a 2008 National Book Award winner, is best known as both a novelist and non-fiction writer, but he’s also an environmental activist and American Indian rights advocate.
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Democracy Now! speak with Patricia Isasa, a torture survivor from Argentina’s military dictatorship.
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