Los Angeles – A smile not only the movement of both lips. A smile is a facial expression and every smile has a meaning.
In his latest book entitled “Lip Service”, professor of Psychology from Yale University, Marianne LaFrance examines the meaning of a smile.
He examined the smile from the standpoint of biological sciences and anthropology. By using the computer, he examines some form and meaning smile. Here is a series of facts about the meaning of a smile as quoted from
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