On Today's Podcast

How extreme athletes like Alex Honnold keep their cool

Everyone has stressful moments. But for some athletes, keeping calm can be the difference between life and death.

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Most Recent Broadcast

June 5, 2026

Up to 94% of Neanderthals suffered at least one traumatic injury in their lifetime. How did their healthcare keep up? Plus, a Nigeria-based molecular biologist breaks down the current Ebola outbreak, and what's needed to improve disease monitoring across Africa. And, despite the scorching, toxic conditions on the planet Venus, some scientists want to look there for life—in the clouds.

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Segment

9:03

Dawn Arrives at Ceres

Mission director and chief engineer Marc Rayman gives an update on the Dawn mission, scheduled to arrive in orbit around dwarf planet Ceres this week.

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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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