Could Bigfoot REALLY Exist?

Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate This episode brought to you by Squarespace: http://squarespace.com/itsokaytobesmart PBS Idea Channel goes to Area 51: https://youtu.be/WCFJh0fdlD8 ↓ More info and sources below ↓ **Check out these books: “The Demon Haunted World - Science as a Candle in the Dark” by Carl Sagan http://amzn.to/1Pbyt4S “Abominable Science” by Daniel Loxton and Donald Prothero http://amzn.to/1Pby5TU **References/More Reading: Crazy About Cryptids! A case study for teachers: http://sciencecases.lib.buffalo.edu/cs/collection/detail.asp?case_id=779&id=779 “Bigfoot” hair DNA test: http://rspb.royalsocietypublishing.org/content/281/1789/20140161?ijkey=af9db7f3524656adecda465cc0cbdfae34da7d15&keytype2=tf_ipsecsha (see also http://rspb.royalsocietypublishing.org/content/281/1789/20140843) Predicting the ecological niche of Sasquatch: http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2699.2009.02152.x/full Why we can’t rule out Bigfoot: http://nautil.us/issue/16/nothingness/why-we-cant-rule-out-bigfoot Some fun reading about Medieval monsters: http://www.bl.uk/the-middle-ages/articles/medieval-monsters-from-the-mystical-to-the-demonic# Have an idea for an episode or an amazing science question you want answered? Leave a comment or check us out at the links below! Follow on Twitter: http://twitter.com/okaytobesmart http://twitter.com/DrJoeHanson http://www.itsokaytobesmart.com Follow on Instagram: http://instagram.com/DrJoeHanson Joe Hanson - Creator/Host/Writer Joe Nicolosi - Director Amanda Fox - Producer, Spotzen Inc. Andrew Matthews - Editing/Motion Graphics/Animation Katie Graham - Camera John Knudsen - Gaffer Theme music: “Ouroboros” by Kevin MacLeod Other music via APM Stock images from Shutterstock, stock footage from Videoblocks (unless otherwise noted)