Hare-bone bead (IMAGE) University of Wyoming Caption These images are of a tube-shaped bead made of bone that is about 12,940 years old. The bead was discovered at Wyoming’s La Prele Mammoth site by University of Wyoming archaeology Professor Todd Surovell and his research team. Credit Todd Surovell Usage Restrictions None License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.