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Home » Video » NOVA scienceNOW | Wisdom of the Crowds

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NOVA scienceNOW | Wisdom of the Crowds | PBS

Duration: 04:50

Ask enough people to estimate something, and the average of all their guesses will get you surprisingly close to the right answer.

Watch past episodes of the program, try out interactives, and more on our Web site: www.pbs.org/nova/sciencenow

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Post Date: June 23, 2008