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Feisal Abdul Rauf: Lose your ego, find your compassion
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2015-07-17
Jean-Baptiste Michel: The mathematics of history
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Bunker Roy: Learning from a barefoot movement
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Murray Gell-Mann: Do all languages have a common ancestor?
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2008-06-13
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2008-04-11
Allison Hunt: How I got my new hip
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2007-07-26