A protein that helps synthesize DNA is different in modern humans than it is in Neanderthals and Denisovans — our closest extinct relatives — and new experiments in mice genetically modified to express the modern human version hint that this may have made us behave differently. That discovery, in turn, could shed light on why Neanderthals and Denisovans vanished, researchers …
Read More »Gene that differs between humans and Neanderthals could shed light on the species’ disappearance, mouse study suggests
