Spontaneous Beating of Heart Repair Patch (VIDEO) University of Washington This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption This heart repair patch was engineered from a mix of stem cells in the University of Washington laboratory of Dr. Charles Murry. The tissue patch is shown beating spontaneously and synchronously in a lab dish. Credit Charles Murry lab, University of Washington Usage Restrictions For news media and educational use only 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.