András Simon, Karolinska Institutet (IMAGE) Karolinska Institutet Caption András Simon and his colleagues has found that that two separate species of salamander differ in the way their muscles grow back in lost body parts. The findings are presented in the Nov. 21th, 2013 online issue of Cell Stem Cell. Credit Ulf Sirborn Usage Restrictions This image may anly be published/reproduced in connection to media reports about the research of Andras Simon at Karolinska Institutet. For more information please contact the Press Office. License Licensed 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.