You may have thought that crocodile tears were just a figure of speech, but it turns out they're real, and may help those of us with dry eyes. Hosted by: Hank Green SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at http://www.scishowtangents.org/ ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Chris Peters, Matt Curls, Kevin Bealer, Jeffrey Mckishen, Jacob, Christopher R Boucher, Nazara, charles george, Christoph Schwanke, Ash, Silas Emrys, KatieMarie Magnone, Eric Jensen, Adam Brainard, Piya Shedden, Alex Hackman, James Knight, GrowingViolet, Drew Hart, Sam Lutfi, Alisa Sherbow, Jason A Saslow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com/ Instagram: http://instagram.com/thescishow ---------- Sources: https://academic.oup.com/bioscience/article/57/7/615/238586?login=true https://www.sciencedaily.com/releases/2007/10/071003151131.htm https://www.sciencedirect.com/science/article/abs/pii/S1542012412703075 https://www.healthline.com/health/how-many-times-do-you-blink-a-day#blinking-frequency https://www.nationalgeographic.co.uk/animals/2020/08/crocodile-tears-are-surprisingly-similar-to-our-own https://www.frontiersin.org/articles/10.3389/fvets.2020.00283/full https://www.frontiersin.org/articles/10.3389/fvets.2020.00574/full https://www.nytimes.com/2020/08/13/science/animal-tears.html Images: https://commons.wikimedia.org/wiki/File:Paleosuchus_trigonatus.jpg https://www.storyblocks.com/video/stock/ecu-woman-blinking-view-of-eyes-suxigk1egiwpr0wur https://www.eurekalert.org/multimedia/pub/239454.php?from=473005 https://commons.wikimedia.org/wiki/File:AmericanAlligator.JPG https://commons.wikimedia.org/wiki/File:Mugger_crocodile_2.JPG https://www.istockphoto.com/photo/pouting-crying-businessman-brat-wiping-his-crybaby-tears-gm170223880-17652600