“We thus have 50 millennia during which two Neanderthal populations, living about 10 days’ walk from each other, coexisted while completely ignoring each other.

“We thus have 50 millennia during which two Neanderthal populations, living about 10 days’ walk from each other, coexisted while completely ignoring each other." note sure if :ignoring each other: or just unaware. "We see evidence of early modern humans in Siberia forming so-called mating networks to avoid issues with inbreeding, while living in small communities, which is something we haven’t seen with Neanderthals.” interesting when you consider that humans interbred with neanderthals.