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Why Are We Warm-Blooded?

Why Are We Warm-Blooded?

Season 9 Episode 6
11:18
A Brief (Scientific) History of Butts

A Brief (Scientific) History of Butts

Season 9 Episode 8
12:27
Why Is Sex a Thing?

Why Is Sex a Thing?

Season 9 Episode 9
12:31
How Much Of You Is Alive?

How Much Of You Is Alive?

Season 9 Episode 10
12:05
How the Zebra Really Got Its Stripes?

How the Zebra Really Got Its Stripes?

Season 9 Episode 11
13:13
What Is Nothing?

What Is Nothing?

Season 9 Episode 15
14:06
Why Do We Dream?

Why Do We Dream?

Season 9 Episode 16
14:29
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It's Okay to Be Smart

The Transcontinental Burrito Hypertunnel

Season 9 Episode 4

The finest burritos in the world are made in San Francisco’s Mission District. But how can you get a hot & fresh one in New York City in time for lunch? Physics, that’s how. For this very serious and scientific video, we dug a classic documentary out of the vault that tells the story of the transcontinental burrito tunnel, and its successor, the transcontinental burrito hypertunnel.

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Season
The Argument for De-Extinction: Explained
26:19
Dire wolves are back—sort of.
Will Earth Run Out of Oxygen
16:53
The key enzyme behind photosynthesis isn’t actually all that great at its job.
What’s Inside the Oldest Rocks in the World?
16:40
The oldest rocks on Earth are more than just ancient—they’re time machines!
Why Your Grandma Is an Evolutionary Mystery
17:11
This is one of the weirdest mysteries of human evolution: Why do we have grandmas?
What Synesthesia Feels Like
12:28
Why do some people taste music or hear colors? Let’s talk about synesthesia.
Why Useless Knowledge Can Be So Useful
14:35
How a chemical in lizard spit inspired one of the most important medical advancements.
How Scientists Cracked the Secret To Making Diamonds
12:15
These diamond makers create one of the most amazing materials on Earth — from dead people.
Camouflage Isn't What It Appears To Be
11:20
Learn nature’s ultimate game of hide-and-seek, and the way to win this game is all in the brain.
Why Don’t Humans Hibernate?
11:17
Nature has had to come up with some crazy ways to survive winter. None are weirder than hibernation.
The Paradox of Voting
12:40
Political scientist Don Green joins Joe to figure out the complex psychological and social factors t
Why Do We Hate Certain Sounds
16:27
Why do certain sounds make some of us so upset?!
The Sun is NOT the Center of the Solar System
11:43
Despite what you may have heard or learned in school, the sun is NOT the center of the solar system.
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