Excavations (IMAGE) University of Vienna Caption Researchers found a large proportion of North African ancestry in one of the studied individuals who lived in Sardinia during the second half of the 3rd millennium BC. Credit © David Caramelli Usage Restrictions None License Licensed 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.