Frozen Specimens (IMAGE) University of Washington Caption Frozen specimens are removed from a vat in Dr. Michael Laflamme's lab at the University of Washington, where researchers are working to regenerate damaged hearts with stem cell transplants. Credit Alice C. Gray Usage Restrictions For use only with news media stories on Dr. Laflamme's work. 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.