This Cliffside Dig in Pennsylvania Could Rewrite the First American Timeline

#FirstAmericans #IceAgeHumans #ArchaeologicalMysteries The stone tool came out of the cliff face in Pennsylvania sealed under layers that should have been empty. No one was supposed to be here this early. The rules were clear. The first Americans were the Clovis people, thirteen thousand years ago, no exceptions. Then the lab result came back older. Thousands of years older. And instead of rewriting the map, the field went after the site. This wasn't the only crack. More tools were coming. Older dates. Subscribe for more mind-blowing ancient history discoveries! 👉    / @originsrevealedyt   Sources : https://doi.org/10.2307/281652 https://doi.org/10.1038/332150a0 https://doi.org/10.1126/science.abg7586