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.

What a big group of ancient brains could teach us about evolution

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

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

Why curly hair was an evolutionary advantage

Curly hair kept early humans cool, News and events

Marcus Billups on LinkedIn: #powerful

Marcus Billups on LinkedIn: #powerful

Curly hair evolved to keep early humans cool

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