Heart Posts (IMAGE) University of Washington Caption This is a simulation of the posts that support the heart cells. Light blue represents 1 nanometer of deflection, while dark red means the post is deflected by 2.5 nanometers. Credit N. Sniadecki, UW Usage Restrictions With 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.