Curly hair may have evolved to protect early humans from the sun

In the first study to look at the evolution of hair types, researchers found tightly coiled hair provides a trade-off of shielding the head from the sun while minimising unwanted insulating

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Why did humans evolve curly scalp hair? - Quora

Which type of hair provides a greater survival or evolutionary benefit, straight, wavy, or wiry? - Quora

Why did every ancient person have wavy hair? - Quora

New research shows curly hair kept early humans cool. Tightly curled scalp hair protected early humans from the sun's radiative heat, allowing their brains to grow to sizes comparable to those of

Why do people have different type of hair (afro, curly, smooth, dense, etc)? What evolution value does this have? - Quora

Early humans may have turned to small game after wiping out big beasts

Curly hair kept early humans cool, Media Centre

Why curly hair was an evolutionary advantage