If humans are getting smarter, why are our brains shrinking?
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If humans are getting smarter, why are our brains shrinking?

May 9, 2026
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Human brains have been shrinking since prehistoric times, some studies suggest. Whether this is true and why it has happened are debated.

 If humans are getting smarter, why are our brains shrinking?
Live Science
Live Science

Coverage and analysis from United States of America. All insights are generated by our AI narrative analysis engine.

United States of America
Bias: center

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