The development of hair was of central importance for the evolution of mammals and thus also of humans. However, the evolutionary origin of the genetic program of hair was previously unknown.

The most luxurious human characteristic—and the one that preoccupies us the most—might be our hair. We curl it, dye it, cut it, braid it and straighten it. We style it to suit our self-image, spending ...

Believe it or not, evolution isn’t blind or random chance. It is the natural result of having an advantage, even if it is very slight, that makes the difference between dying young or living to ...