Cut marks on bones (IMAGE) Ohio University Caption Cut marks found on bones that appear to have been made by early hominins using stone tools at the site of Grăunceanu, Romania, dating to approximately 1.95 million years ago. Credit Dr. Sabrina Curran 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.