Heart Scaffold (VIDEO) University of Washington This video is under embargo. Please login to access this video. Caption In a culture dish the human heart cells were able to contract with sufficient force to deform the scaffold. Credit University of Washington Usage Restrictions None 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.