Brain Organoid (IMAGE) D'Or Institute for Research and Education Caption 75 days old brain organoid with staining for neurons (green) and astrocytes (red). Credit D'Or Institute for Research and Education. Usage Restrictions Non-commercial use only. 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.