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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
Why the Maillard Reaction Makes Everything Delicious

Why the Maillard Reaction Makes Everything Delicious

Season 3 Episode 26
2:53
How Do Sparklers Work?

How Do Sparklers Work?

Season 3 Episode 27
2:23
Is Fluoride in Drinking Water Safe?

Is Fluoride in Drinking Water Safe?

Season 3 Episode 28
3:14
How Does Fluorescence Work?

How Does Fluorescence Work?

Season 3 Episode 29
3:23
How To Make a Fluorescent Flower

How To Make a Fluorescent Flower

Season 3 Episode 30
1:41
How Does Protein Build Muscle?

How Does Protein Build Muscle?

Season 3 Episode 31
3:40
The World's Most Unavoidable Carcinogen

The World's Most Unavoidable Carcinogen

Season 3 Episode 32
3:04
How to Catch Dopers

How to Catch Dopers

Season 3 Episode 33
3:45
How To Make Fish Less Fishy (Chemistry Life Hacks)

How To Make Fish Less Fishy (Chemistry Life Hacks)

Season 3 Episode 34
3:12
Is It OK To Pee In The Pool?

Is It OK To Pee In The Pool?

Season 3 Episode 35
3:00
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Reactions

Does Gum Really Stay In Your Stomach for 7 Years?

Season 3 Episode 23

Reactions takes us back to the playground. Rumor has it that gum stays in your stomach for 7 years but is there any truth to this? Science and chemistry can give us the answer to this age-old myth.
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