David Wishart (IMAGE) University of Alberta Caption David Wishart, professor in the University of Alberta's Department of Biological Sciences and the Department of Computing Science, is co-author on the new study. Photo credit: John Ulan Credit John Ulan Usage Restrictions with credit to John Ulan 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.