Researchers at USask's VIDO-InterVac (IMAGE) University of Saskatchewan Caption Researchers at USask's VIDO-InterVac Credit David Stobbe Usage Restrictions Only to be used in connection with this news release, and with appropriate credit. 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.