It's an age often described as one of social unrest, leading to an "apocalyptic nightmare of violence, warfare, and cannibalism." A Neolithic mass grave in Germany shows the idea may not be far wrong... Christian Meyer and his fellow researchers now believe they have enough evidence to explain "conclusively" what happened at the site of a mass grave in Schöneck-Kilianstädten, near Frankfurt, around 5207-4849 BC. If they are right, their findings may help our understanding of early social unrest among the first Central European farmers of the Neolithic era... The site at Schöneck-Kilianstädten reveals a "new violence-related pattern: the intentional...