23 Reasons to be Cheerful (Thanks to Science!)

23 Reasons Science Gave Us to be Cheerful

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23 Reasons to be Cheerful (Thanks to Science!) Be Smart

Premiered December 28, 2016

23 Reasons to be Cheerful (Thanks to Science!)

23 Reasons Science Gave Us to be Cheerful

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Be Smart: Season 4

Engines of Destruction: How Hurricanes Work: asset-mezzanine-16x9

Watch (06:02)

Engines of Destruction: How Hurricanes Work

How An Igloo Keeps You Warm: asset-mezzanine-16x9

Watch (05:04)

How An Igloo Keeps You Warm

23 Reasons to be Cheerful (Thanks to Science!): asset-mezzanine-16x9

Watch (04:53)

23 Reasons to be Cheerful (Thanks to Science!)

This Land Is Your Land - Project For Awesome 2016: asset-mezzanine-16x9

Watch (04:11)

This Land Is Your Land - Project For Awesome 2016

Pigeon Story: How the Rock Dove Became the Sky Rat: asset-mezzanine-16x9

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Pigeon Story: How the Rock Dove Became the Sky Rat

Why Don’t Woodpeckers Get Concussions?: asset-mezzanine-16x9

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Why Don’t Woodpeckers Get Concussions?

Program Specials & Extras

Africa is the only continent where these megafaunas still exist. But, why?

Watch (21:29)

Special

The Mystery of Earth's Disappearing Giants

We meet some interesting bugs that use truly extreme senses to navigate their world.

Watch (17:08)

Special

Dung Beetles: The Poop-Rolling Stargazers of the Serenget

We look at some surprising ways that species use teamwork in order to survive.

Watch (20:59)

Special

These Butt-Tickling Ants Are Endangered Butterfly Bodyguards

About the Program

Be Smart

Join Joe Hanson as he explores curiosity and illuminates the science behind… well, everything.

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