NEW YORK (Reuters Life!) - Liars might think they are good at covering up their deceit but a new Canadian study shows there's one thing they can't control that will give them away -- flashes of emotion in their faces.
Researchers at Dalhousie University's Forensic Psychology Lab in Halifax conducted the first detailed study on the secrets revealed when people put on a false face or inhibit various emotions, and found their faces told the truth.
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