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Tamer Raccoons, COP30 Recap, New Fluoride Research

Tamer Raccoons, COP30 Recap, New Fluoride Research

60-Second Science vor 10 Monaten

A new study finds that fluoride is safe for kids’ brain—and linked to slightly better test scores.

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Zoya Teirstein, a senior staff writer at Grist, joins host Kendra
Pierre-Louis to talk about this year’s United Nations Climate
Change Conference, or COP30, which wrapped up in Brazil last week.
Plus, new studies debunk claims that fluoride harms children’s
cognitive development and show evidence that urban raccoons may be
evolving traits linked to tameness. Recommended Reading “At COP30
in Brazil, Countries Plan to Armor Themselves against a Warming
World,” by Zoya Teirstein, in Grist. Published online November 19,
2025 “Here Are the 5 Issues to Watch at COP30 in Brazil,” by Zoya
Teirstein, Naveena Sadasivam and Anita Hofschneider, in Grist.
Published online November 6, 2025 Fluoride in Tap Water Not Linked
to Lower Child IQ, Massive Study Finds Raccoons Are Showing Early
Signs of Domestication E-mail us at sciencequickly@sciam.com if you
have any questions, comments or ideas for stories we should cover!
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Quickly is produced by Kendra Pierre-Louis, Fonda Mwangi and Jeff
DelViscio. This episode was edited by Alex Sugiura. Shayna Posses
and Aaron Shattuck fact-check the show. The theme music was
composed by Dominic Smith. Learn more about your ad choices. Visit
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