On Today's Podcast

How A Mutation Made This Year’s Flu Season So Bad

A flu variant called subclade K emerged too late to be fully covered by this year's vaccine. But the flu shot can still help protect you.

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Most Recent 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

16:37

Redefining the Kilogram

All the scales in the world are calibrated against a 125-year-old chunk of metal in a vault on the outskirts of Paris. Now scientists are looking to redefine the standard of what “kilogram” really means.

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