Is Santa Real? (A Scientific Analysis)

...and other Christmas mysteries answered with science! Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: Subscribe to It’s Okay To Be Smart: Happy Holidays! Ever wonder how Santa could possibly manage to deliver all those presents in a single night? Or what gives red-nosed reindeer the ability to fly? And why do your Christmas lights get tangled in knots no matter how carefully you put the away?! Here’s some