Be Smart | The Secret Discovery in Da Vinci’s Notebook… @besmart | Uploaded 1 year ago | Updated 1 minute ago
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Another YouTube #shorts from your favorite science dad, Dr. Joe!
Subscribe today for more great science videos
Join us on Patreon!
patreon.com/itsokaytobesmart
http://www.twitter.com/DrJoeHanson
http://www.twitter.com/okaytobesmart
http://www.instagram.com/DrJoeHanson
http://www.instagram.com/okaytobesmart