Ancient DNA from a tomb near Paris reveals a shocking prehistoric reset: one population vanished and was replaced by newcomers from the south. The two groups show no genetic connection, signaling a major upheaval around 3000 BC. Disease, including early plague, likely played a role, but wasn’t the only cause. The change also reshaped society, ending tightly knit family burials and coinciding with the disappearance of Europe’s megalith builders.
