Bronze Age humans racked up travel miles
Large-scale genetic study also shows that many of these ancient peoples were lactose intolerant
![skull](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2015/06/ss_skull_main.jpg?fit=860%2C460&ssl=1)
PAST JOURNEYS This ocher-covered skull, found in southwestern Russia, comes from a member of the Bronze Age’s Yamnaya culture. A new genetic study reveals that this culture spread far and wide across Eurasia.
Natalia Shishlina