Smiles in Life, Death, Trust, Lies, Work, Memory, Sex, and Politics

Marianne LaFrance, an expert in nonverbal communication, discusses the science of smiles and their extraordinary social impact. Lip Service: Smiles in Life, Death, Trust, Lies, Work, Memory, Sex, and Politics draws on her research and the latest studies in psychology, medicine, anthropology, biology, and computer science to explore the science behind the smile, revealing that this familiar expression is not as simple as it may seem.