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Be Smart

How Scientists Cracked the Secret To Making Diamonds

Season 12 Episode 16 | 12m 15s

For centuries, diamonds were one of the most mysterious materials on Earth. They were beautiful, indestructible, and completely unexplained. Today, we’re exploring how scientists unlocked their secrets, and how one lab recreates the extreme conditions in Earth's mantle to make diamonds… out of dead people.

Aired: 11/20/24
Extras
Watch • 20:05
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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
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(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
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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
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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
Watch • 16:18
Be Smart
How Feathered Dinosaurs Accidentally Invented Flight
How did dinosaurs become birds—and what good is half a wing?
Episode: S13 E7 | 16:18
Watch • 16:00
Be Smart
What Could We See with a Planet-Sized Telescope?
Just how big would a telescope need to be to actually see an alien world in detail?
Episode: S13 E6 | 16:00
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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
Watch • 16:18
Be Smart
How Feathered Dinosaurs Accidentally Invented Flight
How did dinosaurs become birds—and what good is half a wing?
Episode: S13 E7 | 16:18
Watch • 16:00
Be Smart
What Could We See with a Planet-Sized Telescope?
Just how big would a telescope need to be to actually see an alien world in detail?
Episode: S13 E6 | 16:00