Pre-Clovis Human Evidence (IMAGE) University of Oregon Caption Dennis L. Jenkins, a University of Oregon archaeologist, led two summers of work that uncovered human DNA dating to 14,300 years ago. Credit Photo by Jim Barlow 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.