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

Reactions is a show that uncovers the chemistry all around us. We answer the burning questions you’ve always wanted to ask, blending the worlds of science and every-day life.

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

Season 11 Episode 11 | 15m 15s | CC

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.

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