" A new, improved sequencing of ancient human relative genomes reveals that Homo sapiens didn't only have sex with Neanderthals and a
little-understood line of humans called Denisovans. A fourth, mystery lineage of humans was in the mix, too.
As reported by the news arm of the journal Nature, new genetic evidence suggests that several hominids — human relatives closer than humans' current
living cousin, the chimpanzee — interbred more than 30,000 years ago. This group of kissing cousins included an unknown human ancestor not yet
revealed by the ancient DNA record."
Here we go.
The mystery continues. I've always said that the human family tree actually resembles a gnarled angry bush. So, we have...