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Why Does Metal Rust?

Why Does Metal Rust?

Season 3 Episode 16
1:54
What Makes Coffee So Good?

What Makes Coffee So Good?

Season 3 Episode 18
4:54
Why Is Snake Venom So Deadly?

Why Is Snake Venom So Deadly?

Season 3 Episode 19
3:48
What's The Best Way To Whiten Teeth?

What's The Best Way To Whiten Teeth?

Season 3 Episode 20
3:59
How Can You Make Flowers Last Longer?

How Can You Make Flowers Last Longer?

Season 3 Episode 21
3:09
Does Homeopathy Work?

Does Homeopathy Work?

Season 3 Episode 22
4:44
Why Do Onions Make You Cry?

Why Do Onions Make You Cry?

Season 3 Episode 24
2:18
Elephant Toothpaste

Elephant Toothpaste

Season 3 Episode 25
3:00
How Do Sparklers Work?

How Do Sparklers Work?

Season 3 Episode 27
2:23
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Reactions

Why Do Wasps Attack?

Season 3 Episode 15

Why do wasps become more aggressive after you kill one of the hive members? The answer is the same reason why you should be wary of bees that smell like bananas. Reactions answers viewers’ chemistry questions like these with some short and sweet chemistry.

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Season
What's That After-Rain Smell Made Of?
3:58
There’s a sweet smell in the air after it rains: petrichor. How and why does this happen?
The Half-Life of Uranium & Collecting Gold in Acid
2:51
How do we know the half-life of uranium? Can you recover gold dissolved in acid?
Cow Burps Are Warming the Planet
2:49
Cows burp up a lot of methane, and it has huge climate change consequences.
What Are Century Eggs?
2:52
Fermentation turns these green and black preserved eggs into real Chinese comfort food.
TV Forensics: What Do CSIs Actually Do?
4:16
We’ll show you a sneak peak at what really happens in forensics science lab.
Learn how your nose can go "blind" to some smells, and how sanitizers and mouthwash work.
How to Make the Best Cheap Hot Cocoa Possible
3:04
These science-inspired life hacks should help improve your cold weather pick-me-up.
Chemtrails
2:29
Airplane contrails happen when burning jet fuel meets the chemistry of air.
The Race to Invent the Periodic Table
5:34
We look at the chemistry of gallium, the science behind the holes in the periodic table.
Do Ketogenic Diets Really Work?
5:39
We tackle the diet fad that never dies--low carb.
The Only Video You'll Ever Need to Watch About Gluten
5:39
We break down the chemistry and science behind the controversial ingredient.
The Periodic Table Table
5:39
We explore the science and chemistry going on inside Theo Gray's periodic table table.
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