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What if the brain came first? Scientist rethinks the Cambrian Explosion
- May 5, 2026 at 6:20 PM
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For decades, scientists have sought to explain the so-called "Cambrian Explosion," a pivotal period over 500 million years ago when a remarkable diversity of animal life appeared in the fossil record. But rather than a sudden burst of innovation, new research suggests this diversification was the result of a gradual, multi-stage process, driven in large part by the evolution of the brain.
Originally published at Phys.org