Every face begins with genetic instructions – but not all faces follow the same blueprint. A new study finds that just three letter changes in Neanderthal DNA made a key face-building control switch more active, subtly influencing jaw…

Every face begins with genetic instructions – but not all faces follow the same blueprint. A new study finds that just three letter changes in Neanderthal DNA made a key face-building control switch more active, subtly influencing jaw…