Robotic finger healing (IMAGE) University of Tokyo Caption Photographs showing the stages of repair after the test finger was cut and patched with a small section of collagen. This takes place in a liquid medium. ©2022 Takeuchi et al. Credit ©2022 Takeuchi et al. Usage Restrictions Credit ©2022 Takeuchi et al. 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.