Humans and Neanderthals met often, but only one event matters
In 2010 researchers at the Max Planck Institute for Evolutionary Anthropology (EVA), in Leipzig, published the genome of Homo neanderthalensis, a species known in less progressive days as Neanderthal man. This contained stretches of DNA also found in Homo sapiens genomes—specifically, non-African ones. That suggested past interbreeding between the two, but only outside Africa. This…