In the primary examine to take a look at the evolution of hair sorts, researchers discovered tightly coiled hair offers a trade-off of protecting the pinnacle from the solar whereas minimising undesirable insulating
Humans
14 February 2023
Hair that’s tightly coiled provides the very best safety towards the solar’s doubtlessly damaging rays, which may clarify why this trait developed in early people in Africa and straighter hair emerged as some people moved into cooler areas.
It has lengthy been steered that the rationale our physique hair turned so nice that it’s typically barely seen, whereas our scalp hair remained thick, is to stop our heads …
Source: www.newscientist.com