On Today's Podcast

Are Ultramarathoners Just Built Different?

Ultramarathoners can run with what seems like superhuman stamina. But are their bodies much different than the rest of ours?

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Most Recent Broadcast

January 2, 2026

A look back at the biggest science stories of 2025, and a few you may have missed. Plus, over the past year, most of your body has replaced itself cell by cell. What can we learn from other animals’ dramatic feats of regeneration? And, ultramarathoners can run with what seems like superhuman stamina. But are their bodies much different than the rest of ours?

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24:42

A Hue Of A Different Color

There’s a whole spectrum of science that explores how light and matter interact to give us the rainbow. Chemists and biologists alike are seeking new ways to make shades we take for granted.

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Video

How To Grow Coral

Corals have long been at risk of bleaching. At Georgia Aquarium, a team of biologists are helping restore coral in the wild—by cultivating them in the lab.

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