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Happy Pi Day!
British writer, essayist and autistic savant Daniel Tammet poses on March 14, 2013, at the Palais de la Decouverte, a science museum in Paris, as part of the first Pi Day in France, a celebration commemorating the mathematical constant pi. Daniel Tammet holds the European record for reciting pi from memory to 22,514 digits in five hours and nine minutes on 14 March 2004. AFP PHOTO / LIONEL BONAVENTURE (Photo credit should read LIONEL BONAVENTURE/AFP/Getty Images)
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