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NOVA - Season 53 Episode 9 Evolution: Brain Power

Trailer
Brains might be the most complex structures on our planet – so how did evolution build them? To find out, rewind the clock three billion years to trace the evolutionary story of the dolphin, one of the smartest animals alive today. Discover how the first light sensing cells led to eyes that helped wire bodies to think, how a fluke viral infection supercharged the speed of thought, and how the neocortex emerged as early mammals re-wired their brains to attune to the night.

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First Air Date: Mar 03, 1974

Last Air date: Apr 29, 2026

Season: 53 Season

Episode: 1025 Episode

Runtime: 55 minutes

IMDb: 7.00/10 by 140.00 users

Popularity: 78.7797

Language: English