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How Do Pheromones Work?

How Do Pheromones Work?

Season 2 Episode 6
2:59
Why Do Roses Smell So Sweet?

Why Do Roses Smell So Sweet?

Season 2 Episode 7
3:06
How Do Jeans Get Blue?

How Do Jeans Get Blue?

Season 2 Episode 9
3:06
Why is Carbon Monoxide So Deadly?

Why is Carbon Monoxide So Deadly?

Season 2 Episode 10
3:13
Is Vaping Safer Than Cigarettes?

Is Vaping Safer Than Cigarettes?

Season 2 Episode 11
3:08
The Chemistry of Poison Ivy

The Chemistry of Poison Ivy

Season 2 Episode 12
3:23
Craft Beer Chemistry

Craft Beer Chemistry

Season 2 Episode 13
3:06
Chemistry Jokes! (Round 2)

Chemistry Jokes! (Round 2)

Season 2 Episode 15
1:55
Why Too Much Stress Is Bad For You

Why Too Much Stress Is Bad For You

Season 2 Episode 16
2:51
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Reactions

How Does Moisturizer Work?

Season 2 Episode 4

The cold weather of winter can also mean dry, cracked skin. Many reach for the moisturizer to keep their skin soft, but how do these products actually work? Before you head to the beauty aisle, Reactions has the answers in this week’s episode.

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Season
Surströmming: The Secrets of this Stinky Swedish Fish
7:54
Surstromming, Swedish for sour herring, has a powerful stink thanks to food preservation.
How Do Hydrangeas Change Colors?
5:05
What does the pH of soil have to do with the color of hydrangeas?
Are We Breathing Caesar's Last Breath
5:24
Are you breathing air molecules that were once exhaled by Caesar?
How Seashells Are Made
3:43
Chalk and seashells are made of the same stuff. So why is one crumbly and the other tough?
The Ultimate Donut Battle: Cake vs. Yeast
4:32
How does chemistry makes a cake donut and a yeast donut taste so different?
Chameleons Are Masters of Nanotechnology
3:48
What do chameleons have to do with nanotechnology?
How Milk Becomes Cheese
6:44
We visit St. James Cheese Company in New Orleans to learn about the chemistry of cheese.
Does Melatonin Do Anything?
4:22
Melatonin is a supplement that’s supposed to help you sleep. But does it work?
How Do Airbags Work?
3:11
Airbags protect you in a car accident thanks to chemistry and a little bit of physics.
Burning Ice from the Ocean Floor
3:44
This ice burns because it’s actually methane trapped in water.
Small Bottle, HUGE Fireball (How Flame Jetting Works)
4:09
Pouring fuel over a flame can cause a ten-foot fireball to shoot out – flame jetting.
Why Can’t You Buy Fresh Olives?
3:15
You can never buy fresh olives because of a bitter chemical called oleuropein.
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