3D printed Corals -- 1 (IMAGE) University of California - San Diego Caption Left: Close-up of coral reef microstructures consisting of a coral skeleton (white) and coral tissue (orange-yellow). Right: SEM image of 3D printed coral skeleton. Credit Nature Communications Usage Restrictions Image courtesy of Nature Communications 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.