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Be Smart

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

Season 5 Episode 34 | 4m 04s

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.

Aired: 09/25/17
Extras
Watch • 14:52
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How thousands of tiny brains, obeying simple rules, solve problems no individual can understand.
Episode: S13 E17 | 14:52
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Joe visits a flavor lab to uncover how our senses shape our taste.
Episode: S13 E16 | 19:50
Watch • 20:05
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The Scientific Lie That Damaged Generations of Men
Here is the REAL science about "alpha males."
Episode: S13 E15 | 20:05
Watch • 22:36
Be Smart
Inside the Vault Where They Keep the Dinosaur Apocalypse
How did the mass extinction of the dinosaurs play out, moment by moment?
Episode: S13 E14 | 22:36
Watch • 12:37
Be Smart
(Almost) Everything You Learned About Genetics Is Wrong
Think traits like eye color or tongue-rolling are simple genetics? Think again.
Episode: S13 E13 | 12:37
Watch • 11:08
Be Smart
Mars Used to Be Blue... Then Something Happened
Why is the Martian sky red by day… but blue at sunset?
Episode: S13 E12 | 11:08
Watch • 36:47
Be Smart
Be Smart about Autism
Is autism really on the rise—or are we just recognizing it more?
Episode: S13 E11 | 36:47
Watch • 14:51
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Why Seedless Fruit Is a Disaster Waiting To Happen
Seedless fruits are delicious, convenient… and completely unnatural.
Episode: S13 E10 | 14:51
Watch • 21:13
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The Randomness Crisis Threatening the Internet
What does randomness really mean? And why your digital life depend on it?
Episode: S13 E9 | 21:13
Watch • 16:20
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Blood Types Are Weirder Than You Think
Why do we have different blood types? And why do we have blood at all?
Episode: S13 E8 | 16:20
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Watch • 14:52
Be Smart
The Intelligence Test Where Ants Beat Humans
How thousands of tiny brains, obeying simple rules, solve problems no individual can understand.
Episode: S13 E17 | 14:52
Watch • 19:50
Be Smart
Everything I Thought I Knew About Flavor Was Wrong
Joe visits a flavor lab to uncover how our senses shape our taste.
Episode: S13 E16 | 19:50
Watch • 20:05
Be Smart
The Scientific Lie That Damaged Generations of Men
Here is the REAL science about "alpha males."
Episode: S13 E15 | 20:05
Watch • 22:36
Be Smart
Inside the Vault Where They Keep the Dinosaur Apocalypse
How did the mass extinction of the dinosaurs play out, moment by moment?
Episode: S13 E14 | 22:36
Watch • 12:37
Be Smart
(Almost) Everything You Learned About Genetics Is Wrong
Think traits like eye color or tongue-rolling are simple genetics? Think again.
Episode: S13 E13 | 12:37
Watch • 11:08
Be Smart
Mars Used to Be Blue... Then Something Happened
Why is the Martian sky red by day… but blue at sunset?
Episode: S13 E12 | 11:08
Watch • 36:47
Be Smart
Be Smart about Autism
Is autism really on the rise—or are we just recognizing it more?
Episode: S13 E11 | 36:47
Watch • 14:51
Be Smart
Why Seedless Fruit Is a Disaster Waiting To Happen
Seedless fruits are delicious, convenient… and completely unnatural.
Episode: S13 E10 | 14:51
Watch • 21:13
Be Smart
The Randomness Crisis Threatening the Internet
What does randomness really mean? And why your digital life depend on it?
Episode: S13 E9 | 21:13
Watch • 16:20
Be Smart
Blood Types Are Weirder Than You Think
Why do we have different blood types? And why do we have blood at all?
Episode: S13 E8 | 16:20