On Today's Podcast

How do clinical trials work, and who can participate?

A bioethicist walks us through the complexity of clinical trials, from their core scientific questions to patient selection to FDA approval.

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Today's Broadcast

May 22, 2026

Low-frequency noises that humans can feel, but not hear, may be behind the spooky feeling of old houses. Plus, a processing plant in Mississippi is leaking massive amounts of the herbicide paraquat into the air. Its biological link to Parkinson’s is becoming clear. And, a bioethicist walks us through the complexity of clinical trials, from their core scientific questions to patient selection to FDA approval.

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Segment

7:39

Along The Kelp Highway

Archeologists agree on an early coastal route for ancient humans crossing from Siberia…and it’s not the land bridge. Plus, dog sacrifices in the Bronze Age.

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