On Today's Podcast

How a particle accelerator illuminated 56 human organs

The Human Organ Atlas gives an extremely detailed look at 56 human organs, scanned with the help of a particle accelerator.

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Today's Broadcast

April 17, 2026

Tracy Scott’s dad walked on the moon. Now, she studies the lives and families of other Apollo-era astronauts. Plus, recordings from a decades-long research project in Florida are helping scientists decode dolphin whistles. And, inventor Simone Giertz rose to YouTube fame with comically bad robots. Now she designs comically useful objects for our very normal problems.

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Segment

9:14

Plants in Space!

This week on The Macroscope, plant biologists send a lowly weed to the International Space Station to study its growth in zero gravity.

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