HealthDNA mutation lets some people live healthily on only 4 hours' sleep Studying a family that lives healthily on as little as 4.5 hours of sleep per night has led to the discovery of a gene that controls how much sleep we need News
HumansStem cells may reveal how Neanderthal DNA works in modern humans Many of us carry DNA inherited from Neanderthals, but we can’t be sure how it affects us. Stem cells with Neanderthal DNA could tell us News