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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Video

Desktop Diaries: Jill Tarter

As the SETI (Search for Extraterrestrial Intelligence) Institute’s first employee, Tarter has accumulated E.T.-themed office ornaments for the last 30 years—including a bottle of wine to be opened “only upon detection of Extraterrestrial signal.”

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