Lip Service: Smiles in Life, Death, Trust, Lies, Work, Memory, Sex, and Politics by Marianne LaFrance

By Science News, 11:50 AM August 11, 2011

A psychologist examines the science of smiles and their many social uses, from a baby’s enticing grin to a bully’s malicious smirk.

W.W. Norton, 2011, 321 p., $26.95

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