Skip to main content

Up Next

Is It OK To Pee In The Pool?

Is It OK To Pee In The Pool?

Season 3 Episode 35
3:00
What If Humans Could Photosynthesize?

What If Humans Could Photosynthesize?

Season 3 Episode 36
4:04
How Do Lithium-Ion Batteries Work?

How Do Lithium-Ion Batteries Work?

Season 3 Episode 38
3:46
Accidental Discoveries That Go Boom

Accidental Discoveries That Go Boom

Season 3 Episode 39
5:40
What Causes PMS?

What Causes PMS?

Season 3 Episode 41
3:30
How Does Anesthesia Work?

How Does Anesthesia Work?

Season 3 Episode 42
3:23
Have We Found All The Elements?

Have We Found All The Elements?

Season 3 Episode 43
5:19
How Much Candy Would Kill You?

How Much Candy Would Kill You?

Season 3 Episode 44
3:32
The Science of Distance Running

The Science of Distance Running

Season 3 Episode 45
4:23
Back to Show
Reactions

How to Catch Dopers

Season 3 Episode 33

Reactions explains how chemistry is used to find which Olympic teams are doping. Science plays a huge role on both sides of the performance-enhancing drug battle. On one side are officials and scientists, aiming to keep the competitions fair; on the other are underground or overseas chemists, creating new drugs to cheat the system.

Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By
Season
The Science of J. Kenji López-Alt's Roasted Potato Recipe
10:21
We use chemistry to create the roasted potatoes of your dreams!
World’s Deadliest (& Cutest) Animals
8:42
We break down the chemistry behind what makes these adorable critters deadly.
Where Did the Vampire Lore Come From?
8:51
We unpack the chemistry that may have inspired one of our favorites: the vampire!
How Do Blacksmiths Make Swords?
5:11
Let's learn how blacksmithing is just as much chemistry as it is an artform.
How to Make Magnetic Slime
4:43
Learn how you can use everyday materials to make magnetic and colored slime.
Space Mirrors and Other Weird Ways to Fight Climate Change
4:10
We're digging into a few of the weirdest climate change-combating ideas out there.
We Tested Google’s Tips for Getting Stains Out
16:02
We try out some of those tips to consider the chemistry behind why some are work better.
Is Superhero Strength Real?
3:35
We talk about “superhero strength” and the chemistry behind what’s possible.
How Much Does a Cloud Weigh?
3:26
We explore the chemistry behind how a cloud stays lofted in the sky.
Don't Mix These Things with Birth Control!
5:30
Learn about some common products that could make your birth control less effective.
What Exactly Happened at Chernobyl?
8:54
We talk about the chemistry behind this catastrophic event.
Can a Fecal Transplant Save You From This Dangerous Bacteria
4:16
We break down why that happens, and how an unlikely hero could save the day.
Active loading indicator