Baltic Sea Genetics Map (image) Max Planck Institute for the Science of Human History Share Print E-Mail Caption Map showing locations and timeline of the samples introduced in this study. Credit Mittnik et al. The Genetic Prehistory of the Baltic Sea Region. Nature Communications (2018). 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.