Skip to main content

Up Next

Doomsday Machines

Doomsday Machines

Season 5 Episode 35
5:35
The Cheerios Effect

The Cheerios Effect

Season 5 Episode 37
5:08
Should You Eat Everyday?

Should You Eat Everyday?

Season 5 Episode 38
4:38
The Romantic Lure of Moonlight

The Romantic Lure of Moonlight

Season 5 Episode 40
3:46
Why Do You Love Your Family?

Why Do You Love Your Family?

Season 5 Episode 43
6:56
How Atom Bombs Can Uncover Forged Art

How Atom Bombs Can Uncover Forged Art

Season 5 Episode 44
5:06
Why Is Blue So Rare In Nature?

Why Is Blue So Rare In Nature?

Season 5 Episode 45
7:39
Back to Show
It's Okay to Be Smart

Why Is The Universe So Empty? (ft. PHD Comics!)

Season 5 Episode 34

Why is the universe organized the way it is? And why is it so empty? From planets and stars to superclusters and galactic filaments, the universe’s largest structures formed because of its smallest. In this special collaboration with PHD Comics, we’ll learn how the earliest, quantumest blips seeded the structure of everything everywhere.

Support Provided By
Season
Scientists Finally Figured Out What Love Is For
16:47
What exactly is the evolutionary purpose of love?
We've never seen an atom. But we know what they look like.
16:47
If everything around us is made of atoms, why can’t we actually see them?
Infinity isn’t a number. It's something much weirder.
10:51
This video explores the bizarre mathematics that show how infinity is far stranger than a number.
Something Strange Happens When You Flatten the Earth…
24:25
How Gerardus Mercator later created a map that transformed navigation forever.
You've Been Lied to About DNA Evidence
22:37
DNA solves crimes, but what happens when it sends innocent people to prison?
The Intelligence Test Where Ants Beat Humans
14:52
How thousands of tiny brains, obeying simple rules, solve problems no individual can understand.
Everything I Thought I Knew About Flavor Was Wrong
19:50
Joe visits a flavor lab to uncover how our senses shape our taste.
The Scientific Lie That Damaged Generations of Men
20:05
Here is the REAL science about "alpha males."
Inside the Vault Where They Keep the Dinosaur Apocalypse
22:36
How did the mass extinction of the dinosaurs play out, moment by moment?
(Almost) Everything You Learned About Genetics Is Wrong
12:37
Think traits like eye color or tongue-rolling are simple genetics? Think again.
Mars Used to Be Blue... Then Something Happened
11:08
Why is the Martian sky red by day… but blue at sunset?
Be Smart about Autism
36:47
Is autism really on the rise—or are we just recognizing it more?
Active loading indicator