Public Broadcasting for Northwest Indiana & Chicagoland since 1987
Play Live Radio
Next Up:
0:00
0:00
0:00 0:00
Available On Air Stations
We are experiencing intermittent outages with our digital stream. We are sorry for the inconvenience. You can still tune into 89.1 FM live on your radio.

Didn't Believe There Were Microplastics in Gum So I Tested My Spit

Season 11 Episode 11 | 15m 15s

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.

Aired: 10/21/25
I tried to improve pykrete for months, then tossed it off a building.
Inspired by dinosaurs, Alex goes on a journey to stabilize collagen and create leather...with eggs.
George visits chemists and discovers that Mexican Coke is doing something secretive.
We test if DNA from strawberries and salmon can really make fabric flame resistant.
Is water bending real?
George tries to make a new discovery in a huge field of science... and he might have.
This week Alex takes to the lab and investigates the stable isotopes in 20 different honeys.
Rubbing two balloons together leads George to a shocking discovery.
Is baking soda a legal, performance enhancing drug?
George tries to make electricity using dialysis tubing, toilet parts, and a baby turbine.