Shared by Mystech
I will not make jokes about “what men think with”. I will not make jokes about “what men think with”. I will not make jokes about “what men think with”.
Geneticists have linked the physical appearance of humans to patches of DNA lost in the 5 million years since we shared a common ancestor with chimpanzees. One loss prevented men from growing penile barbs, which chimps possess. Another enlarged some regions of our brain.
