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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
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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.

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Season
How Much Of You Is Alive?
12:05
There are parts of you that are living and dying at the same time. We find out how much.
Why Is Sex a Thing?
12:31
We explore the evolutionary enigma of sex and its existence.
A Brief (Scientific) History of Butts
12:27
This episode is about the science and evolutionary history of...butts.
How Your Brain Makes Its Own Electricity
18:46
How do the neurons in our brain work? Find out here!
Why Are We Warm-Blooded?
11:18
Here's the science behind why humans are warm-blooded.
How Ocean Currents Work (and How We Are Breaking Them)
12:38
This could have devastating effects on our future.
The Transcontinental Burrito Hypertunnel
11:57
We dug a classic doc that tells the story of the transcontinental burrito hypertunnel.
What is Impossible in Evolution?
19:29
We explore all the questions that teach us what's possible in evolution!
The Golden Ratio: Is It Myth or Math?
22:36
Let's find out exactly what is it!
When Is Now?
20:26
Let’s journey from Einstein’s thought experiments about relativity to answer it.
Visualizing Herd Immunity
14:49
We use lots and lots of mousetraps and ping-pong balls to show how this works.
Why Do We Lie?
16:43
Explore why we lie if we’re supposed to be the most socially developed species on Earth?
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