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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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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Video

Geek My Pumpkin

Maniac Pumpkin Carvers Marc and Chris carve hundreds of pumpkins each fall, which go for a few hundred bucks and rarely end up on stoops. They gave us some tips for how to bring our pumpkins to the next level this Halloween.

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