Do Fish Pee?

You know you’ve wondered. Do fish actually pee?

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Do Fish Pee? Be Smart

Premiered December 27, 2018

Do Fish Pee?

You know you’ve wondered. Do fish actually pee? And what does that make the ocean… one big toilet?

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All Episodes

Be Smart: Season 6

The Most Extreme Life Forms On Earth… And Beyond?: asset-mezzanine-16x9

Watch (05:24)

The Most Extreme Life Forms On Earth… And Beyond?

How to Figure Out the Day of the Week For Any Date Ever: asset-mezzanine-16x9

Watch (05:29)

How to Figure Out the Day of the Week For Any Date Ever

Why Do We Itch (ASL)

Where Did Life Come From? (feat. PBS Space Time and Eons!): asset-mezzanine-16x9

Watch (12:47)

Where Did Life Come From? (feat. PBS Space Time and Eons!)

Do Fish Pee?: asset-mezzanine-16x9

Watch (04:53)

Do Fish Pee?

Does Someone Else Have Your Face?: asset-mezzanine-16x9

Watch (12:42)

Does Someone Else Have Your Face?

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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