In 1953, a significant burial site belonging to the Battle Axe Culture was found when constructing a roundabout in Linköping. 4,500 years ago, a man and a woman were buried together with a child, a dog and a rich set of grave goods including one of the eponymous battle axes. "Today, we call this site 'Bergsgraven'. I have been curious about this particular burial for a long time. The collaboration of archaeologists with geneticists allows us to understand more about these people as individuals as well as where their ancestors came from," says archaeogeneticist Helena Malmström of Uppsala University, lead...