You might be susceptible to “tickle attacks,” but have you ever wondered why you can’t tickle yourself? SciShow is nominated for a Webby! Vote for us! vote.webbyawards.com/PublicVoting#/2017/film-video/video-channels-and-networks/science-education-channels-and-networks Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters—we couldn't make SciShow without them! Shout out to Kevin Bealer, Mark Terrio-Cameron, KatieMarie Magnone, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Benny, Tim Curwick, Scott Satovsky Jr, Philippe von Bergen, Bella Nash, Bryce Daifuku, Chris Peters, Patrick D. Ashmore, Charles George, Bader AlGhamdi ---------- Looking for SciShow elsewhere on the internet? Facebook: www.facebook.com/scishow Twitter: www.twitter.com/scishow Tumblr: scishow.tumblr.com Instagram: instagram.com/thescishow ---------- Sources: journals.plos.org/plosone/article?id=10.1371/journal.pone.0063441 www.ncbi.nlm.nih.gov/pubmed/24270589 www.ncbi.nlm.nih.gov/pubmed/16157489 www.ncbi.nlm.nih.gov/pubmed/10943682 www.ncbi.nlm.nih.gov/pubmed/26891191 pdfs.semanticscholar.org/cca2/c6449d671da77256b600f8b3de15637c6f47.pdf www.npr.org/templates/story/story.php?storyId=248041246&ft=1&f=1007