The Science of Kissing

PBS Member Stations rely on viewers like you. To support your local station, go to: http://to.pbs.org/DonateOKAY ↓ More info and sources below ↓ Pucker up. I m gonna lay some science on you! When you really think about it, kissing is an odd human behavior. You know, all the rubbing of our faces all over each other. So there must be a good reason why we do it, right? From motherly comforts to testing the genetic compatibility of your "mate", the science of kissing is pretty awesome. Learn more about "The Science of Kissing" by Sheril Kirshenbaum at http://amzn.to/Nuy0TE Sheril s book has an extensive bibliography if you d like to look more closely at any of these studies, but here s a couple that I mentioned: Study of facial features and attractiveness ("men prefer fuller, redder lips"): http://psycnet.apa.org/journals/psp/68/2/261/ Claus Wedekind s famous "t-shirt" study: http://www.ncbi.nlm.nih.gov/pubmed/7630893 "Why do mothers cradle their babies on the left?" by Sieratzki and Woll, 1996 http://www.researchgate.net/publication/14543476_Why_do_mothers_cradle_babies_on_their_left/file/60b7d51558c9d65700.pdf Want to know more about the famous Austin mural where we shot this? http://www.austin360.com/news/entertainment/share-your-i-love-you-so-much-photos/nTzPW/ Did you catch the cameo from Julia Wilde? http://www.youtube.com/user/wildescience Joe Hanson - Host and writer Joe Nicolosi - Director Amanda Fox - Producer, Spotzen IncKate Eads - Associate Producer Katie Graham - Director of Photography Andrew Matthews - Editor and motion graphics John Knudsen - Gaffer Isaac Hammons - Sound Produced for PBS Digital Studios ----------- Join us on Patreon! https://patreon.com/itsokaytobesmart Twitter http://www.twitter.com/DrJoeHanson http://www.twitter.com/okaytobesmart Instagram http://www.instagram.com/DrJoeHanson http://www.instagram.com/okaytobesmart Merch https://store.dftba.com/collections/its-okay-to-be-smart Facebook https://www.facebook.com/itsokaytobesmartpbs/