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What is Your Snot Saying?

What is Your Snot Saying?

Season 4 Episode 2
2:40
Vertical Farming

Vertical Farming

Season 4 Episode 5
4:28
Catalytic Converter Stolen? Here's Why.

The Chemistry of Red Heads

Season 4 Episode 6
5:11
What's the Best Way to Cook Pasta?

What's the Best Way to Cook Pasta?

Season 4 Episode 7
4:23
How Do We Tell Temperature?

How Do We Tell Temperature?

Season 4 Episode 8
4:49
What is Bicycle Day?

What is Bicycle Day?

Season 4 Episode 9
4:32
What Do Electrolytes Actually Do?

What Do Electrolytes Actually Do?

Season 4 Episode 11
2:26
How Is Whiskey Made?

How Is Whiskey Made?

Season 4 Episode 12
4:01
The Leidenfrost Effect

The Leidenfrost Effect

Season 4 Episode 13
4:01
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Reactions

The Universe in a Cup of Coffee

Season 4 Episode 1

This week Reactions delves into the surprisingly complex chemistry behind coffee. The science runs deep in this one. The chemistry of the universe is, in a way, in your morning cup of coffee — from the evolution of caffeine as a defensive chemical weapon in plants to the swirling eddies of milk and coffee fueled by diffusion, Brownian motion and other phenomena.

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Season
How Oxygen Masks Brought Down a Plane
6:31
How did something meant to keep you safe end up killing over 100 people?
Extracting Gold from Seawater
5:39
We try to find some of the 700 trillion dollars worth of gold in the ocean.
I Created an Oil Spill in My House
7:36
Bacteria could be what save us from ourselves.
Death and Decomposition
7:04
Are humans destroying the circle of life?
Better Pizza Through Chemistry
6:20
We show you how two simple changes can turn cardboard-y pizza into award winning pie.
Science of Concrete & the Surfside Condo Collapse
7:19
We discover how the Surfside Condominium—a modern building built in 1981—fail.
Are We Standing on a Quadrillion Tons of Diamonds?
7:38
But the furthest we’ve traveled is 7 miles down, so how could we know that?
Why is There Plastic in Our Rain?
6:43
Every year more than 1,000 tons of plastic rains down onto national parks and wilderness.
We Tried to Preserve a Strawberry Forever. Things Got…Ugly
8:05
See what happens when we try to make a strawberry last forever.
How Does Sunscreen Work?
7:38
Can it actually stop us from getting wrinkles or skin cancer? We find out!
How Carbon Capture Works
7:39
Removing CO2 from our atmosphere can mean big business.
How Lead (Maybe?) Caused the Downfall of the Roman Empire
5:55
We unwrap the possibility that lead caused the Roman Empire’s collapse.
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