World's largest ever DNA sequencing of Viking skeletons reveals they weren't all Scandinavian (image) St John's College, University of Cambridge Share Print E-Mail Caption A mass grave of around 50 headless Vikings from a site in Dorset, UK. Some of these remains were used for DNA analysis. Credit Dorset County Council/Oxford Archaeology Usage Restrictions None Share Print E-Mail 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.