Remembering Carl Sagan

We don't need another Carl Sagan. Because he lives on.

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Remembering Carl Sagan Be Smart

Premiered November 18, 2013

Remembering Carl Sagan

We don't need another Carl Sagan. Because he lives on.

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All Episodes

Be Smart: Season 1

Thomas Jefferson and The Giant Moose: asset-mezzanine-16x9

Watch (05:28)

Thomas Jefferson and The Giant Moose

Why Vaccines Work: asset-mezzanine-16x9

Watch (06:09)

Why Vaccines Work

Why Does February Have 28 Days?: asset-mezzanine-16x9

Watch (04:28)

Why Does February Have 28 Days?

Why Do Things Sound Scary?: asset-mezzanine-16x9

Watch (05:13)

Why Do Things Sound Scary?

So You Want to go to Mars?: asset-mezzanine-16x9

Watch (08:17)

So You Want to go to Mars?

Incredible Tails Of Amazing Whales!: asset-mezzanine-16x9

Watch (06:29)

Incredible Tails Of Amazing Whales!

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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