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Do Astronauts Need Sunscreen?

Do Astronauts Need Sunscreen?

Season 5 Episode 39
5:03
How is Leather Made?

How is Leather Made?

Season 5 Episode 41
4:03
Why Does Humidity Feel Gross?

Why Does Humidity Feel Gross?

Season 5 Episode 42
4:55
What Makes Kimchi So Delicious?

What Makes Kimchi So Delicious?

Season 5 Episode 45
4:39
How Does Low-Dose Aspirin Work?

How Does Low-Dose Aspirin Work?

Season 5 Episode 47
4:27
Can Plastic Be Composted?

Can Plastic Be Composted?

Season 5 Episode 48
4:33
Citrus Scent DEBUNKED!

Citrus Scent DEBUNKED!

Season 5 Episode 49
3:48
Why Flamingos Are Pink and Hardcore

Why Flamingos Are Pink and Hardcore

Season 5 Episode 50
3:32
Does Shaving Cream Do Anything?

Does Shaving Cream Do Anything?

Season 5 Episode 51
8:15
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Reactions

How Do You Catch Fruit Flies?

Season 5 Episode 38

You catch more flies with honey than with vinegar--or do you? This week on Reactions, we explain the chemistry behind why fruit flies love vinegar so much, some entomologists call them “vinegar flies.”

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What's In "Premium" Gas?
8:43
It all has to do with the octane rating!
Climate Change is Affecting Hibernation Patterns of Animals
7:29
This is a deeper dive into how complicated and climate based hibernation is.
What is an Electron?
10:50
There is so much more to these “negatively charged particles” than we've thought.
We Made Pop Rocks at Home with Science
8:31
Making pop rocks at home is so much harder but so much fun. Check it out!
I Ate Gold To Prove a Point
7:03
Why are some heavy metals deadly while others keep us alive?
How Do Hydrogen Fuel Cells Work?
8:11
Let's explore how fuel cars work and if they're truly sustainable.
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.
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