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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
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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