Life before air conditioning: Curly hair kept early humans cool, says study
Wednesday, June 7, 2023 - 12:33
in Biology & Nature
Curly hair does more than simply look good—it may explain how early humans stayed cool while conserving water, according to researchers who studied the role human hair textures play in regulating body temperature. The findings can shed light on an evolutionary adaptation that enabled the human brain to grow to modern-day sizes.