Skip to main content

Up Next

Does Melatonin Do Anything?

Does Melatonin Do Anything?

Season 5 Episode 16
4:22
How Milk Becomes Cheese

How Milk Becomes Cheese

Season 5 Episode 17
6:44
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
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
How Air Conditioning Works

How Air Conditioning Works

Season 5 Episode 27
4:23
Back to Show
Reactions

How Do Airbags Work?

Season 5 Episode 15

If you’re in a car accident, you want to be sure your airbags protect you. And they work because of chemistry, with some physics thrown in. This week on Reactions, we’re talking the science of airbags. And remember: Airbags are meant to work in conjunction with seatbelts, so buckle up!

Support Provided By
Season
Why Does Fall Smell So Good?
7:25
What’s the chemistry behind those smells, and why do they make us so happy?
Do Your Dog’s Paws Smell Like Fritos?
4:45
The answer is yes! In this episode, we explore why.
How Can Fertilizer Explode?
6:10
Spoiler Alert! It's because of the ammonium nitrate.
We Found The Best Hot Pepper Cure (It’s Not Milk)
8:34
Sam and George suffer for science to find the best cure.
Color Changing Tea
4:00
Sam and George experiment with this tea to play with its spectacular colors.
Why Did the Sky Turn Orange in San Francisco?
3:54
We break down the Mars-like haze and how climate change is involved.
How Can A Margarita Do This?
3:47
We explore why margaritas have such an effect on the body when making it.
Cellulose: From Trees to Explosives
12:31
We get into how this tiny molecule holds up so much of our modern world.
The World's Biggest Batteries Aren't What You Think
14:13
We break down what a battery is and how they’re actually all around us.
What Could An Explosion On the Sun Do Here On Earth?
12:24
We talk about how this can affect us all the way down here on Earth.
Whatever Happened to the Ozone Hole?
12:11
We explore how we might keep ourselves and our food cool without overheating the earth.
What Meteors Reveal About Earth’s Hidden Past
13:33
We explore meteors and asteroids, and why they should matter to us.
Active loading indicator