On Today's Podcast

How yawning might help clear dirty fluid from the brain

Research shows yawning might help clear waste from our brains. Plus, breaking down a CDC report on how little sleep Americans are getting.

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Today's Broadcast

May 15, 2026

In the microgravity of space, tumors can triple in size in just 10 days. That could be a boon for cancer research, and a risk for astronauts. Plus, why are appliances playing elaborate tunes, and where do they come from? And, beavers and humans tend to clash over landscape management. Pixar's “Hoppers” captures the struggle, and Oregon proves coexistence is possible.

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Segment

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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