Swedish Skull in Lab (image) Max Planck Institute for the Science of Human History Share Print E-Mail Caption Skull included in this study from Ölsund, Hälsingland, Sweden, dating to around 2,300 BCE, in the ancient DNA laboratory at the Max Planck Institute for the Science of Human History. Credit Alissa Mittnik Usage Restrictions Only with appropriate credit. 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.