On Today's Podcast

The Black women codebreakers of the Cold War

A new book tells the story of Black women cryptologists who deciphered Soviet telegrams intercepted during the early days of the Cold War.

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July 24, 2026

Archeologists are piecing together the lives of ordinary Pompeii residents, from a fish sauce entrepreneur to an enterprising businesswoman. Plus, Andrea Ghez developed a way to peer through dust clouds and observe stars orbiting the supermassive black hole at the center of the Milky Way. And, what do we know, and not know, about SSRI antidepressant withdrawal?

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Segment

7:34

Dawn of the Cyborg Bacteria

In a basement laboratory at the University of Pennsylvania, two roboticists have harnessed the sensing, swimming, and swarming abilities of bacteria to power microscopic robots.

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