Sven Isaksson (IMAGE) Stockholm University Caption Sven Isaksson, Professor of Archaeological Science at Stockholm University Credit Eva Dalin/Stockholm University Usage Restrictions May be used in connection to the related research. 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.