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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
Are We All Related?

Are We All Related?

Season 5 Episode 16
6:06
De-Extinction: A Mammoth Undertaking

De-Extinction: A Mammoth Undertaking

Season 5 Episode 18
4:42
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It's Okay to Be Smart

How Do We Know Plate Tectonics Is Real?

Season 5 Episode 7

Why do Africa and South America fit together? Anyone who’s ever looked at a map can see that Earth’s continents are kind of like a jigsaw puzzle. The idea that continents are constantly moving and weren’t always in their current spots is a pretty obvious idea, right? You might be surprised to learn that geologists only accepted that idea recently in the past few decades.

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Season
How HIV Started a Century Before Anyone Noticed
27:32
How science unraveled one of the biggest myths in modern medicine...HIV's true origins.
The New Kind of Heat Humans Can’t Handle
21:23
I pushed my body in a climate & sports research lab to discover what extreme heat really does to us.
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.
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