By Amber Moore | Nov 30, 2012 11:03 AM EST
You can tell a lot more about a person's emotional state by looking at his or her body language, than by looking at the facial expression alone.
By Christine Hsu | Nov 29, 2012 04:53 PM EST
A new study finds that smiles do melt women's hearts, after researchers found that a man's grin had the power to make women more obedient.