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

Scientists testing different textures of human hair have found the curlier it is, the better it is at protecting us from heat and solar radiation.

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

I'm definitely proud of my hair' - BBC Newsround

Curly hair may have evolved to keep early humans cool, study

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