One of the most popular explanations for why menopause evolved in some species is called the grandmother hypothesis. Essentially, older females stop having offspring of their own, and redirect energy ...
Geneticists have found an interesting pattern in how early humans and Neanderthals interbred—and it wasn't balanced.
A new Neanderthal DNA study suggests interbreeding between modern humans and Neanderthals favored pairings of female humans with male Neanderthals. This finding challenges traditional evolutionary ...