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How Milk Becomes Cheese

How Milk Becomes Cheese

Season 5 Episode 17
6:44
Chameleons Are Masters of Nanotechnology

Chameleons Are Masters of Nanotechnology

Season 5 Episode 18
3:48
The Ultimate Donut Battle: Cake vs. Yeast

The Ultimate Donut Battle: Cake vs. Yeast

Season 5 Episode 19
4:32
How Seashells Are Made

How Seashells Are Made

Season 5 Episode 20
3:43
Are We Breathing Caesar's Last Breath

Are We Breathing Caesar's Last Breath

Season 5 Episode 21
5:24
How Do Hydrangeas Change Colors?

How Do Hydrangeas Change Colors?

Season 5 Episode 22
5:05
Surströmming: The Secrets of this Stinky Swedish Fish

Surströmming: The Secrets of this Stinky Swedish Fish

Season 5 Episode 23
7:54
Hydrangeas and the Science of Do-Overs

Hydrangeas and the Science of Do-Overs

Season 5 Episode 24
4:10
Why Does Stinky Cheese Stink?

Why Does Stinky Cheese Stink?

Season 5 Episode 25
4:57
3 Most Useful Kitchen Gadgets - Are They Worth It?

3 Most Useful Kitchen Gadgets - Are They Worth It?

Season 5 Episode 26
3:12
How Air Conditioning Works

How Air Conditioning Works

Season 5 Episode 27
4:23
Yellowstone and Their Steaming Acid Pools of Death

Yellowstone and Their Steaming Acid Pools of Death

Season 5 Episode 28
2:59
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Reactions

Does Melatonin Do Anything?

Season 5 Episode 16

Melatonin is a supplement that’s supposed to help you sleep. But does it work? What’s the chemistry of this sleep aid? This week on Reactions, we go into the chemistry of melatonin and the realities of supplements.
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The Top 5 Strangest Poisons That Can Kill You
4:48
Season 5 Episode 73
The Top 5 Strangest Poisons That Can Kill You
We break down our top 5 strangest poisons.
Can We Make Ocean Water Drinkable -- and Should We?
4:13
Season 5 Episode 72
Can We Make Ocean Water Drinkable -- and Should We?
We find out why getting freshwater from ocean water is a trickier than you might imagine.
How Pee Helped Win the Revolutionary War (Maybe...)
5:09
Season 5 Episode 71
How Pee Helped Win the Revolutionary War (Maybe...)
How Pee Helped Win the Revolutionary War (Maybe...)
What Does the Moon Smell Like?
5:48
Season 5 Episode 70
What Does the Moon Smell Like?
What Does the Moon Smell Like?
What is Ringworm and How Do You Get Rid of It?
4:11
Season 5 Episode 69
What is Ringworm and How Do You Get Rid of It?
What is Ringworm and How Do You Get Rid of It?
Could CBD Make You Fail a Drug Test?
3:43
Season 5 Episode 68
Could CBD Make You Fail a Drug Test?
Could CBD Make You Fail a Drug Test?
What Causes Auroras?
4:34
Season 5 Episode 67
What Causes Auroras?
What Causes the Northern Lights?
Why is Carbon the Key to Life? (On Earth, Anyway)
4:21
Season 5 Episode 66
Why is Carbon the Key to Life? (On Earth, Anyway)
One element is the backbone of all forms of life we’ve ever discovered on Earth: carbon.
That Fresh Cut Grass Scent is Really a Signal of Distress
3:10
Season 5 Episode 65
That Fresh Cut Grass Scent is Really a Signal of Distress
We explain how plants communicate, their chemical response to being damaged, and more.
How Do Pregnancy Tests Work?
3:16
Season 5 Episode 64
How Do Pregnancy Tests Work?
How Do Pregnancy Tests Work?
How Does Pepper Spray Work?
3:41
Season 5 Episode 63
How Does Pepper Spray Work?
We take a look at what's inside the canister!
How to Get Rid of Skunk Smell
3:40
Season 5 Episode 62
How to Get Rid of Skunk Smell
How to Get Rid of Skunk Smell
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