David Smith is quoted in Brazil online column on why we lie

David Livingstone Smith, Ph.D., associate professor of philosophy, was quoted at length in a column titled 'Por que mentimos?' (Why we lie) published on , one of Brazil's most popular websites with more than 3 billion hits per month. 

Smith, who is the author of Why We Lie: The Evolutionary Roots of Deception and the Unconscious Mind, says we lie to manipulate others' behavior for our advantage. He also explains that deception is widespread among nonhuman species.

Smith is also the author of Less Than Human: Why We Demean, Enslave, and Exterminate Others and The Most Dangerous Animal: Human Nature and the Origins of War. Smith recently discussed Less than Human on NPR's Talk of the Nation and on WCSH6 TV's 207 news magazine. Read more.

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