Section through a human brain organoid (IMAGE) University of Bath Caption Section through a human brain organoid showing stem cells stained red and committed cells in green. The cells' nuclei are stained blue. Credit Ross Ferguson and Vasanta Subramanian Usage Restrictions None 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.