From: TIME
The Science of Smooching: Why Men and Women Kiss Differently
February 11, 2011
TIME:
Sure, kissing feels good. But it’s also an evolutionary advantage. Now a new book explains the science behind passionate lip-locks, and what they tell us about how men and women approach romantic relationships.
The precise origins of kissing are unknown. But some scientists hypothesize that the practice evolved from feeding rituals between animal mothers and their young, wherein mothers would chew and break down food before passing it directly to their offspring by mouth. Out of that gesture grew a universal sign of love and affection.
Read the whole story: TIME
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