Mystery hominin had sex with ancestors of Neanderthals and Denisovans
It is the oldest and one of the most extreme case of interbreeding found so far in the tangled tale of human origins. Around 700,000 years ago, a group of ancient humans that would later give rise to both the Neanderthals and Denisovans mated with an unidentified group of hominins.
This mystery group had evolved separately from their new sexual partners for over a million years. Despite this, the two …