EPISODE · Apr 15, 2026 · 1 MIN
The Fish That Could Walk | Sean B. Carrol
from NOVA Presents · host 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 and limb-like features—revealed a key moment in evolution.For more, check out the extended interview with Sean B. Carroll.Learn more about NOVA and subscribe to our YouTube channel.
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The Fish That Could Walk | Sean B. Carrol
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