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Mar 27, 2014 09:50 AM ET // Talal Al-Khatib
'Sex sells' is a well-known axiom when it comes to product advertising, but does it also apply when marketing a movement?
Feb 26, 2014 08:40 AM ET // Charles Choi, LiveScience
Computer simulations suggest Sultan Moulay Ismaïl could have done it by having sex about once a day for 32 years.
Feb 14, 2013 08:30 AM ET // Rossella Lorenzi
Some researchers believe that kissing began millions of years ago as a result of mouth-to-mouth feeding.