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Podcast: Thinking About Thinking

WASHINGTON, D.C.—Do animals know enough to know what they don't know? When do children begin to develop this "metacognition"? And how can this knowledge be applied to disorders such as autism? Science's Online News Editor David Grimm chats with John David Smith of the University of Buffalo in New York, who spoke about metacognition at a session here on Sunday at the annual meeting of the American Association for the Advancement of Science (which publishes ScienceNOW).

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