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.

Only Available with Passport Starting
Support Provided By
Season
How Does Tear Gas Work?
3:53
And did you know it's not actually a gas? We investigate.
We Surprised a Llama Antibody Researcher with a Llama
2:33
Scientists are considering some less-conventional approaches to tackle COVID-19.
Why Aren’t COVID Antibody Tests Better?
8:24
Learn how these tests work and why a test that’s 96% accurate is actually bad.
How Do Antiviral Drugs Work?
6:53
We called a few virologists to find out.
The Early Plan to Fight COVID with the Polio Vaccine
5:26
The COVID-19 pandemic has scientists considering a few less-conventional options.
Do Masks Stop COVID-19? (Yes! Here's Why)
9:42
How much could cloth face masks help stop the spread of SARS-CoV-2?
How Did We Get COVID Vaccines So Quickly?
5:37
When can we expect a vaccine against the novel coronavirus?
Can Soap Really "Kill" the Coronavirus?
5:38
We’re diving into the chemistry behind why soap is so effective.
The US Military Gave Out Shark Repellent For Years
7:32
Learn why they were created.
Which of These Mushrooms Could Kill You?
5:40
We test how well you can separate the perfectly safe from the perilously poisonous.
11 Things You Can Do With Your Dead Body
6:50
Let us break down the possibilities so you can rest easy.
Cartoon Chemistry!
6:50
Sam learns whether cartoon chemistry actually checks out.
Active loading indicator