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Be Smart

Is Santa Real? (A Scientific Analysis)

Season 3 Episode 10 | 5m 35s

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?!

Aired: 12/21/14
Extras
Watch • 8:32
Nature
NATURE - Season 45
Get a sneak peek at a brand new season of NATURE on PBS.
Preview: S45 | 8:32
Watch • 0:30
Made With Love
Season 1 Preview
Meet gifted artisans who pour passion and skill into timeless products made with love.
Preview: S1 | 0:30
Watch • 2:04
POV
Trailer | Remake
Trailer for Remake by director Ross McElwee.
Preview: S39 E6 | 2:04
Watch • 1:50
POV
Trailer | Arrest the Midwife
Trailer for Arrest the Midwife by director Elaine Epstein.
Preview: S39 E5 | 1:50
Watch • 2:37
American Masters
Mary Oliver: Saved by the Beauty of the World
Celebrate the life and career of Pulitzer Prize-winning poet Mary Oliver.
Preview: S40 E5 | 2:37
Watch • 2:57
POV
Trailer | How to Build a Library
Trailer for How to Build a Library by directors Maia Lekow and Christopher King.
Preview: S39 E4 | 2:57
Daniel Tiger's Neighborhood
Jodi Makes Art in the Sky
Jodi imagines she is drawing bugs and clouds in the sky with her crayons!
Clip: S8 E2 | 0:54
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Jodi Learns to Ask Before Touching Someone Else
Jodi wants to touch Miss Elaina's hair but she learns that she has to ask first!
Clip: S8 E2 | 2:18
Daniel Tiger's Neighborhood
"Before You Touch Someone, Ask if It's Okay" Song
Everyone learns that before you touch someone, you should ask them if it's okay!
Clip: S8 E2 | 1:03
Daniel Tiger's Neighborhood
Daniel and Prince Wednesday At the Swingset
Prince Wednesday learns to ask before he pushes Daniel on the swings.
Clip: S8 E2 | 1:28
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