The Most Important Moment in the History of Life

The amazing legacy of animal cells.

See TV Schedule

The Most Important Moment in the History of Life Be Smart

Premiered May 02, 2016

The Most Important Moment in the History of Life

The amazing legacy of animal cells.

More Ways to Watch

See TV Schedule

All Episodes

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

Watch (05:50)

Pigeon Story: How the Rock Dove Became the Sky Rat

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

Watch (06:07)

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.

Connect with Be Smart