On Today's Podcast

How do you find a ‘lost’ species?

A new journal documents species “lost to science.” Plus, a project to locate lost firefly species in the U.S. and Canada.

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Today's Broadcast

August 14, 2026

At the peak of linguistic diversity, humans may have spoken up to 10 times as many languages as we do today. An immunologist who’s been on both sides of vaccine hesitancy talks about what drives it, what gets missed, and how to build trust. Plus, a new journal documents species “lost to science,” and a conservation project aims to locate lost firefly species in the U.S. and Canada.

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Segment

43:28

Can Plants Think?

Plants can hear, taste and feel, as Michael Pollan writes in his latest piece for The New Yorker. But is any of that evidence of intelligence?

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