Cover Image (IMAGE) University of Minnesota Caption This image used on the cover of the American Heart Association's Circulation Research journal is a 3D rendering of the printed heart pump developed at the University of Minnesota. The discovery could have major implications for studying heart disease Credit Kupfer, Lin, et al., University of Minnesota Usage Restrictions With proper 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.