Skip to main content

Up Next

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
Will This Pop a Balloon?

Will This Pop a Balloon?

Season 5 Episode 29
8:11
Can You Take Expired Drugs?

Can You Take Expired Drugs?

Season 5 Episode 30
3:25
How Plastic Recycling Actually Works

How Plastic Recycling Actually Works

Season 5 Episode 31
3:01
What are Eye Boogers?

What are Eye Boogers?

Season 5 Episode 33
1:47
Back to Show
Reactions

Are We Breathing Caesar's Last Breath

Season 5 Episode 21

Are you breathing air molecules that were once exhaled by Caesar, Joan of Arc, or Madame Curie? And why did Albert Einstein try to break into the refrigerator business? We talked to writer Sam Kean, author of science books like Caesar’s Last Breath and The Disappearing Spoon.

Support Provided By
Season
Making Drinking Water From Sewage
11:50
With the right cleaning methods, we can turn the dirtiest water into safe cleaning water.
How to Demo a Building Without Exploding Everything Around
9:12
Counterintuitively, you do it with explosives.
You Don't Understand Water (and Neither Does Anyone Else)
12:10
We’re gonna dive into the controversial chemistry of water's unusual properties.
This Toxic Gas is Responsible for Almost All Our Food
10:03
Plot twist: Toxic Anhydrous ammonia is responsible for 50% of the food on your table.
What's In "Premium" Gas?
8:43
It all has to do with the octane rating!
Climate Change is Affecting Hibernation Patterns of Animals
7:29
This is a deeper dive into how complicated and climate based hibernation is.
What is an Electron?
10:50
There is so much more to these “negatively charged particles” than we've thought.
We Made Pop Rocks at Home with Science
8:31
Making pop rocks at home is so much harder but so much fun. Check it out!
I Ate Gold To Prove a Point
7:03
Why are some heavy metals deadly while others keep us alive?
How Do Hydrogen Fuel Cells Work?
8:11
Let's explore how fuel cars work and if they're truly sustainable.
How Oxygen Masks Brought Down a Plane
6:31
How did something meant to keep you safe end up killing over 100 people?
Extracting Gold from Seawater
5:39
We try to find some of the 700 trillion dollars worth of gold in the ocean.
Active loading indicator