It's true that we met and mixed with Neanderthals many times, but only one 'gene flow event' produced all non-Africans alive today, and it was later than we thought, studies find
Around 50,000 years ago, Neanderthals in Spain ate a horse and used its leg bone to make a knapped spear point, according to analysis of a strange bone tool
We knew Neanderthals were capable of caring for other adults, but whether it was from doting compassion or selfish anticipation of reciprocity hasn't been clear. Now it's clearer