On Today's Podcast

Reconnecting with the night sky and reining in light pollution

Writer Craig Childs biked from the brightest sky to the darkest in our Book Club pick "The Wild Dark." Plus, the latest on light pollution.

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July 10, 2026

Two experts at the forefront of untangling the gut-brain connection explain its role in IBS, Parkinson’s, and depression. Plus, writer Craig Childs biked from the brightest sky to the darkest in our Book Club pick "The Wild Dark." And, while fog itself is not alive, researchers found that it can contain an ecosystem, including bacteria that eat pollutants.

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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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