Feb. 13, 2006 — The familiar double-lobed heart symbol seen on Valentine's Day cards and candy was inspired by the shape of human female buttocks as seen from the rear, according to a professor of psychology who studied the origin, history and symbolism of the Feb.14 holiday. Galdino Pranzarone of Roanoke College in Salem, Va., told Discovery News that he analyzed "essential literary and speculative evidence from mythology and secondary sources," which led to his theory. He believes one rather obvious bit of evidence is that the heart symbol does not directly duplicate the heart human organ. "The twin lobes...