Neural stem cells (IMAGE) Champalimaud Centre for the Unknown Caption Activated neural stem cells (in green) near the site of brain injury. Credit Rhiner Lab, The Champalimaud Foundation. Usage Restrictions Only use with appropriate credit. 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.