Karun Singh, McMaster University (IMAGE) McMaster University Caption Karun Singh, study co-author and researcher with McMaster's Stem Cell and Cancer Research Institute. Credit McMaster University Usage Restrictions To be used when reporting on this research 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.