aDNA Clean Room (image) Max Planck Institute for the Science of Human History Share Print E-Mail Caption Co-author Marieke van de Loosdrecht retrieves ancient DNA in the clean room at the MPI-SHH. Credit Vanessa Villalba Usage Restrictions 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.