Nerve Transplant (IMAGE) Penn State Caption A design that incorporates a soft hydrogel external wall and a conducting polymer as a supporting internal wall may serve as a tunnel to reconnect severed nerves. Credit Credit: Mohammad Reza Abidian 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.