HumansHuman heads have changed shape a lot in the past 100 years Since the early 20th century, people’s skulls have got rounder and their jaws have got wider, probably because of changes in health, diet and environment News
Life'Singing' dogs may show the evolutionary roots of musicality Some Samoyeds adjust the pitch of their howls depending on the music being played, showing a form of vocal ability they might have inherited from their wolf ancestors News