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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 is Natto?
4:46
It’s a much-loved, protein-packed Japanese food standby made of slimy, stinky soybeans.
Can Silver Nanoparticles Combat Your Stink?
2:52
Clothing makers are harnessing the power of silver to combat workout stink. Does it work?
What are Eye Boogers?
1:47
What’s that stuff in the corner of your eyes when you wake up?
How Does Double Acting Baking Powder... Doubly Act?
2:23
Why does baking powder say “double acting” on the container?
How Plastic Recycling Actually Works
3:01
What happens to plastic bottles when you recycle them?
Can You Take Expired Drugs?
3:25
Every medicine you buy has a printed expiration date, but does it actually go bad?
Will This Pop a Balloon?
8:11
Have you ever popped a balloon with just an orange peel?
Yellowstone and Their Steaming Acid Pools of Death
2:59
Yellowstone's hot springs are the most dangerous and here's why.
How Air Conditioning Works
4:23
Air conditioning is the science of heat transfer and the chemistry of refrigerants.
3 Most Useful Kitchen Gadgets - Are They Worth It?
3:12
Do you really need all those kitchen gadgets? It all depends on the chemistry of cooking.
Why Does Stinky Cheese Stink?
4:57
It’s the chemistry of washed-rind cheeses that makes these foods so awfully stinky.
Hydrangeas and the Science of Do-Overs
4:10
We tried to use chemistry to change hydrangea flowers from red to blue. Let's try again.
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