Site of Batadomba-lena (IMAGE) University of Oxford Caption Pictured is the site of Batadomba-lena where the oldest human teeth (c. 20,000 years old) used in the study were excavated. Credit Patrick Roberts Usage Restrictions To be used with research story 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.