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Science & Medicine

The Fish That Could Walk Sean B. Carrol

NOVA Now by GBH

Apr 15, 202601:34Science & Medicine

How did animals first make the giant step from water to land? Evolutionary biologist Sean B. Carroll explains how the discovery of Tiktaalik—a fossil with both fish and limb-like features—revealed a key moment in evoluti...

About This Episode

The Fish That Could Walk Sean B. Carrol is an episode from NOVA Now by GBH. How did animals first make the giant step from water to land? Evolutionary biologist Sean B. Carroll explains how the discovery of Tiktaalik—a fossil with both fish...

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Episode Details

Published Apr 15, 2026, 01:34 long, audio available.