science video (VIDEO) Salk Institute This video is under embargo. Please login to access this video. Caption Time lapse video of a brain immune cell called a microglia (white) moving in the human-brain-like environment (red) of the organoid. Credit Salk Institute Usage Restrictions with credit and related coverage. 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.