Moment of Um

How do mood rings work?

7 min • 22 maj 2025

Have you ever heard of a mood ring? It’s a little piece of jewelry that supposedly tells you what kind of a mood you’re in. But how the heck can it know? We asked scientist Edwin Thomas to help us find the answer.


Got a question that’s getting you in the mood to learn? Send it to us at BrainsOn.org/contact, and we’ll help w-ring out an answer.

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