# How do mood rings work?

An episode of [Moment Of Um](https://invisiblenetwork.ai/podcast/1603857929), 22 May 2025, 7:28.

Audio: https://www.podtrac.com/pts/redirect.mp3/pdst.fm/e/claritaspod.com/measure/pscrb.fm/rss/p/mgln.ai/e/491/traffic.megaphone.fm/LEME2987731791.mp3?updated=1774643584

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. See omnystudio.com/listener for privacy information.

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