Up Next
Back to Show
Reactions
Didn't Believe There Were Microplastics in Gum So I Tested My Spit
Season 11
Episode 11
In March of 2025, scientists announced they'd found microplastics in 10 brands of chewing gum, including five brands of so-called “natural” gum. Watch as George tries to replicate this result, clogging filters, decanting liters of spit, and burning things that shouldn’t be burned.
Support Provided By
8:21
Reducing the carbon footprint of concrete and cement by relying on biology.
9:13
Mosquitos really do prefer some people over others, and this Reactions ep explains why!
13:50
Discover the single most important chemical reaction on Earth, and why we need to kill it.
9:38
This week Reactions dives into something truly out-of-this-world: amorphous ice.
15:51
Are we about to re-define meat? If so, what is meat?!
10:37
Why has the European Union banned certain colors for tattoos?
12:29
Can we solve electric vehicle fires before we fully understand what’s happening?
15:58
Fluffy, delicious bread results when starch gelatinization and flour chemistry combine!
12:35
Join George (and, occasionally, Andrew) as they chart corn’s epic chemical journey.
10:34
For years it was used in homicidal poisonings. We learn what made it so dangerous.