Skip to main content
Donate

Up Next

The Equinox Isn't What You Think It Is

The Equinox Isn't What You Think It Is

Season 4 Episode 24
2:11
How Many Trees Are There?

How Many Trees Are There?

Season 4 Episode 25
4:15
How Do Bees Make Honey?

How Do Bees Make Honey?

Season 4 Episode 26
5:15
Is Epigenetic Inheritance Real?

Is Epigenetic Inheritance Real?

Season 4 Episode 27
4:51
Are You Smarter Than A Slime Mold?

Are You Smarter Than A Slime Mold?

Season 4 Episode 28
4:39
Why Are You Multicellular?

Why Are You Multicellular?

Season 4 Episode 29
4:41
The Most Important Moment in the History of Life

The Most Important Moment in the History of Life

Season 4 Episode 30
6:13
The Cosmic Afterglow

The Cosmic Afterglow

Season 4 Episode 31
3:27
6 Chemical Reactions That Changed History

6 Chemical Reactions That Changed History

Season 4 Episode 32
7:18
Is Your Brain Too Old For Video Games?

Is Your Brain Too Old For Video Games?

Season 4 Episode 33
6:25
How These Ants Took Over the U.S

How These Ants Took Over the U.S

Season 4 Episode 34
6:32
Spit: Everything You Never Wanted To Know

Spit: Everything You Never Wanted To Know

Season 4 Episode 35
4:41
Back to Show
It's Okay to Be Smart

Einstein Was Right: Gravitational Waves Edition

Season 4 Episode 23

A theory of physics 100 years in the making.
Stream on your TV
Support Provided By
The Strange (Unexpected) Reason Ice is Slippery
7:20
Season 7 Episode 29
The Strange (Unexpected) Reason Ice is Slippery
Why is ice slippery? It's a more complicated answer than it seems!
Recycling Is Broken. Here’s How We Can Fix It.
11:11
Season 7 Episode 28
Recycling Is Broken. Here’s How We Can Fix It.
Recycling is broken. Here's how we can fix it.
I Tried Eating Bugs… Here's What I Learned
14:55
Season 7 Episode 27
I Tried Eating Bugs… Here's What I Learned
People say insects are the food of the future.
Evolution Fails in the Human Body
11:53
Season 7 Episode 26
Evolution Fails in the Human Body
Here’s a rundown of a few of the human body’s biggest evolutionary fails!
This Face Changes the Human Story
13:11
Season 7 Episode 25
This Face Changes the Human Story
Meet your cousin: Homo naledi.
What If We Could See Nature In Infrared?
8:51
Season 7 Episode 24
What If We Could See Nature In Infrared?
Why are trees and other plants green? The answer is full of surprises.
What Color Is A Banana?
8:46
Season 7 Episode 23
What Color Is A Banana?
How do we see color in the first place?
What’s In a 20,000 Year-Old Cube of Ice?
11:20
Season 7 Episode 22
What’s In a 20,000 Year-Old Cube of Ice?
Earth’s climate is changing in a big way.
The History of Money (From Barter To Bitcoin)
9:36
Season 7 Episode 21
The History of Money (From Barter To Bitcoin)
Money. We all use it. But is it real?
7 Scientific Urban Legends Debunked!
11:24
Season 7 Episode 20
7 Scientific Urban Legends Debunked!
I look at a few of the most famous incorrect factoids in science.
Why Don't Birds Lay Square Eggs?
7:21
Season 7 Episode 19
Why Don't Birds Lay Square Eggs?
What is ”egg-shaped” even?
How Blind People See With Sound
16:07
Season 7 Episode 18
How Blind People See With Sound
Blind YouTuber Molly Burke shows Joe Hanson a new way to see.
Show more
Active loading indicator