Marcela Pekna and Milos Pekny (IMAGE) University of Gothenburg Caption Marcela Pekna and Milos Pekny, Sahlgrenska Academy at the University of Gothenburg. Credit Photo: Milos Pekny, Ylva Pekny. Usage Restrictions For editorial use, no commercial use. 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.