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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Segment

20:52

More Than Cornflakes

John Harvey Kellogg and his brother, W.K., are known today for their most famous discovery—corn flakes—but invented many other health foods along the way.

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