A MENTAL SPRING CLEANING You know all about John Brockman’s Edge.org, an "online salon" where brainiacs rap about the questions that keep them up at night. In 2011, Brockman posed the following query to 151 of the brightest minds in the known universe. .

[ Thu. Mar. 29. 2012 ]

He compiled the results in "This Will Make You Smarter" (Harper Perennial), a provocative, wiz bang collection of essays by experts in fields as wide ranging as neuroscience and economics, philosophy and biological anthropology, addressing such topics as collective intelligence and the paradox of daydreaming.

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