Are you unknowingly attracted to close family members? Watch a facial recognition experiment for the answer from Discovery Channel's "The Science of Sex Appeal."
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Science of Sex Appeal: Incestuous Instincts?
Are you unknowingly attracted to close family members? Watch a facial recognition experiment for the answer from Discovery Channel's "The Science of Sex Appeal."
Added: Feb 23, 2009
Views: 41837 Views
Runtime: 02:01
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