On Today's Podcast

Tracking The Toxic Fallout Of The LA Fires

Urban fires can release all kinds of chemicals. One year after fires hit Los Angeles, scientists are trying to understand the toxic fallout.

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Today's Broadcast

January 23, 2026

An epidemiology study finds that variations in one gene play a major role in determining the risk of Alzheimer’s disease. Plus, X’s Grok AI is undressing users, but it’s just the tip of the iceberg with fake imagery online. What can we do about deepfakes? And, Louisiana communities continue collecting data on industrial pollution, despite a law restricting its use.

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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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