Image 2 (IMAGE) Swansea University Caption An image of a 3D-printed material implanted in vivo for 4 weeks. The photo was taken using a scanning electron microscope. Credit Dr Zhidao Xia Usage Restrictions Please credit Dr Zhidao Xia License Original 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.