Curly hair kept early humans cool and made our brains bigger

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.

How curly hair boosted brain growth by keeping early humans cool

Early Humans' Brains Were More Apelike than Modern

Can we assume that the original hair type of modern humans is

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Future evolution: from looks to brains and personality, how will

Human Brain: Facts, Functions & Anatomy

Why did humans evolve curly scalp hair? - Big Think

Curly hair may have given early humans a key evolutionary

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

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Curly hair evolved to keep early humans cool

Marcus Billups on LinkedIn: Curly hair kept early humans cool and made our brains bigger, study finds