Skip to main content

Up Next

How the Toilet Changed History

How the Toilet Changed History

Season 5 Episode 5
5:43
How the Meter Became The Meter

How the Meter Became The Meter

Season 5 Episode 6
6:02
What is Luck?

What is Luck?

Season 5 Episode 8
5:10
How Much Plastic is in the Ocean?

How Much Plastic is in the Ocean?

Season 5 Episode 10
4:43
Why I ❤ PBS

Why I ❤ PBS

Season 5 Episode 11
2:32
Where Did Humans Come From?

Where Did Humans Come From?

Season 5 Episode 13
6:18
Why Are We The Only Humans Left?

Why Are We The Only Humans Left?

Season 5 Episode 14
6:09
Why Does Hair Grow The Way It Does?

Why Does Hair Grow The Way It Does?

Season 5 Episode 15
4:18
Back to Show
It's Okay to Be Smart

The Superb Owl!

Season 5 Episode 3

As we get ready to watch that big football game that my lawyers tell me I’m not allowed to say the name of, let’s celebrate a champion of the bird world: Stealthy and silent owls! Learn how owls fly so silently, how they see in the dark, and how owls’ incredible hearing makes them such superb aerial hunters.

Support Provided By
Season
Can Trees Really Fight Climate Change?
10:44
Can trees really save us from climate change?
Could You Be a Chimera? (ASL)
9:43
Could You Be a Chimera?
This Could Change the Future of Space Travel
11:30
I went to NASA in Houston to talk to astronaut Don Pettit.
The Strange (Unexpected) Reason Ice is Slippery
7:20
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
Recycling is broken. Here's how we can fix it.
I Tried Eating Bugs… Here's What I Learned
14:55
People say insects are the food of the future.
Evolution Fails in the Human Body
11:53
Here’s a rundown of a few of the human body’s biggest evolutionary fails!
This Face Changes the Human Story
13:11
Meet your cousin: Homo naledi.
What If We Could See Nature In Infrared?
8:51
Why are trees and other plants green? The answer is full of surprises.
What Color Is A Banana?
8:46
How do we see color in the first place?
What’s In a 20,000 Year-Old Cube of Ice?
11:20
Earth’s climate is changing in a big way.
The History of Money (From Barter To Bitcoin)
9:36
Money. We all use it. But is it real?
Active loading indicator