Home > Interesting Facts > The Science of Kissing The Science of Kissing Interesting Facts 5 second hack kills food cravings and melts fat fast Share on Pinterest There must be a good reason why we kiss. From motherly comforts to testing the genetic compatibility of your “mate” . . . the science of kissing is pretty awesome… Share on Pinterest Related Posts Why Do We Laugh? 10 Incredible Archaeological Finds 6 of the Heaviest Ancient Objects Ever Made 5 Humans With Real Superpowers Why Do We Kiss?