Joseph Ecker and Chongyuan Luo (IMAGE) Salk Institute Caption From left are, Joseph Ecker and Chongyuan Luo, pictured with a fluorescent image of a cross-section of a cerebral organoid or "mini-brain." Credit Salk Institute 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.