By Tobias Carroll If you’re traveling in northern Spain, you might find yourself in the village of Atapuerca, near the mountains of the same name. It’s also one of the places where Homo heidelbergensis, an ancestor of present-day humanity, resided. What is perhaps less clear, though, are more specifics about their everyday lives — as well as the timeframe of when they lived there. Because of the result of a recent discovery in Atapuerca, though, scientists might have more answers to those very questions. As The Guardian reports, a group of archaeoloigists discovered a jawbone in Atapuerca that…