Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate All 12 days… in ONE video! Prefer the individual videos? Go here: http://bit.ly/OKTBS12daysPL ↓ More info and sources below ↓ I highly recommend these books: “Undeniable” by Bill Nye http://amzn.to/1TK3wZs “Why Evolution Is True” by Jerry Coyne http://amzn.to/1TK3zV3 WEBSITES/TEACHING RESOURCES: - Berkeley’s “Understanding Evolution” http://evolution.berkeley.edu/evolibrary/home.php - The National Center for Science Education http://ncse.com/ Don’t miss a single one of our 12 Days of Evolution! Follow along with this playlist:    • The 12 Days of Evolution - Complete S...   Darwin illustration credit: Nicku / Shutterstock 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 Follow on Tumblr: http://www.itsokaytobesmart.com/ Follow on Instagram: http://instagram.com/DrJoeHanson ----------------- It’s Okay To Be Smart is written and hosted by Joe Hanson, Ph.D. Joe Hanson - Creator/Host/Writer Joe Nicolosi - Director Amanda Fox - Producer, Spotzen Inc. Kate Eads - Producer Andrew Matthews - Editing/Motion Graphics/Animation Katie Graham - Camera John Knudsen - Gaffer Music via APM Stock images from Shutterstock, stock footage from Videoblocks (unless otherwise noted)