Modern preventive medicine has saved millions of lives. You'll be surprised to hear that Neanderthals may have helped ancient humans prevent disease with genes.
The Neanderthals were smart, tough, and well-adapted to the cold where they lived in regions north of Africa, so what happened to them?
Were Neanderthals right or left handed? Learn more on this Moment of Science.
Did cavemen actually live in caves? Find out on this Moment of Science.