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How Atom Bombs Can Uncover Forged Art

How Atom Bombs Can Uncover Forged Art

Season 5 Episode 44
5:06
How Much Plastic is in the Ocean?

How Much Plastic is in the Ocean?

Season 5 Episode 10
4:43
Why Is Blue So Rare In Nature?

Why Is Blue So Rare In Nature?

Season 5 Episode 45
7:39
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
Why Do Fireflies Have Blinky Bottoms?

Why Do Fireflies Have Blinky Bottoms?

Season 5 Episode 23
4:22
How Do Glaciers Move?

How Do Glaciers Move?

Season 5 Episode 26
6:30
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It's Okay to Be Smart

Illuminating the Universe: The History of Light

Season 5 Episode 9

Beyond what we can touch, taste, smell, and hear, we experience the universe through light. But how did we come to discover light, and how did we learn light’s true nature, as the fastest thing in the universe, an electromagnetic spectrum, a wave and particle capable of the most amazing things? Here is the history of light, according to physics.

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Season
Can Trees Really Fight Climate Change?
10:44
Can trees really save us from climate change?
Could You Be a Chimera? (ASL)
9:43
Could You Be a Chimera?
This Could Change the Future of Space Travel
11:30
I went to NASA in Houston to talk to astronaut Don Pettit.
The Strange (Unexpected) Reason Ice is Slippery
7:20
Why is ice slippery? It's a more complicated answer than it seems!
Recycling Is Broken. Here’s How We Can Fix It.
11:11
Recycling is broken. Here's how we can fix it.
I Tried Eating Bugs… Here's What I Learned
14:55
People say insects are the food of the future.
Evolution Fails in the Human Body
11:53
Here’s a rundown of a few of the human body’s biggest evolutionary fails!
This Face Changes the Human Story
13:11
Meet your cousin: Homo naledi.
What If We Could See Nature In Infrared?
8:51
Why are trees and other plants green? The answer is full of surprises.
What Color Is A Banana?
8:46
How do we see color in the first place?
What’s In a 20,000 Year-Old Cube of Ice?
11:20
Earth’s climate is changing in a big way.
The History of Money (From Barter To Bitcoin)
9:36
Money. We all use it. But is it real?
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