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

28:56

A Tribute to Oliver Sacks

Neurologist, writer, motorcycle racer, weightlifter, swimmer, and enthusiast of ferns, cycads, cephalopods and minerals—Oliver Sacks was a modern day Renaissance man.

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Segment

16:54

The Forgotten History Of Autism

In his new book, “NeuroTribes,” science writer Steve Silberman documents how politics and self-promoting scientists have altered our understanding of the condition over the years.

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Segment

24:26

Employee or Datapoint?

The data employers are gathering on their employees aren’t always a fair measure of efficiency or success, and in some cases, it’s an invasion of privacy.

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