Ancient DNA from bones and teeth hints at a role of the plague in Stone Age population collapse. Contrary to previous beliefs, the plague may have diminished Europe’s populations long before the major plague outbreaks of the Middle Ages, new research published in the journal Nature shows. Ancient DNA from bones and teeth hints at a role of the plague in Stone Age population collapse. Contrary to previous beliefs, the plague may have diminished Europe’s populations long before the major plague outbreaks of the Middle Ages, new research published in the journal Nature shows. Archaeology Phys.org – latest science and technology news stories