Up Next
Back to Show
Reactions
How Do Hand Sanitizers Work?
Season 4
Episode 35
The labels always read, "Kills 99.99% of Germs!" but does the science of hand sanitizers back it up? Today Reactions takes a closer look at the chemistry of what this goo is made of, and just how effective it really is against viruses and bacteria. Yay chemistry!
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By
7:58
Let's break down the chemistry of cryogenic freezing!
10:21
We use chemistry to create the roasted potatoes of your dreams!
8:42
We break down the chemistry behind what makes these adorable critters deadly.
8:51
We unpack the chemistry that may have inspired one of our favorites: the vampire!
5:11
Let's learn how blacksmithing is just as much chemistry as it is an artform.
4:43
Learn how you can use everyday materials to make magnetic and colored slime.
4:10
We're digging into a few of the weirdest climate change-combating ideas out there.
16:02
We try out some of those tips to consider the chemistry behind why some are work better.
3:35
We talk about “superhero strength” and the chemistry behind what’s possible.
3:26
We explore the chemistry behind how a cloud stays lofted in the sky.
5:30
Learn about some common products that could make your birth control less effective.
8:54
We talk about the chemistry behind this catastrophic event.