Curly Hair May Have Been Key to Human Brains Growing So Big

Of all hair types, tight curls keep the body cool the best, researchers found.

Curly Hair May Have Been Key to Human Brains Growing So Big

Curly hair kept early humans cool and made our brains bigger, study finds - BBC Newsround

Why curly hair was an evolutionary advantage

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Why curly hair was an evolutionary advantage

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Curly hair kept early humans cool and made our brains bigger, study finds - BBC Newsround

Curly and Cool: How curly hair keeps the brain from overheating – Firstpost