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Talks we like on TED Archive
Scott Kim takes apart the art of puzzles
Mon, May 24, 2010
Puzzle designer shows samples of his work. (Posted in tribute to Martin Gardner)
Arthur Benjamin
Tue, Apr 27, 2010
For all Mathematics teachers in favor of mental calculation, here's something to work on.
Rick Smolan
Fri, Apr 09, 2010
Photographer Rick Smolan tells the story of an Amerasian girl he came across after a story he was pursuing for Time magazine
