Voltron in a Zebrafish Brain (IMAGE) Howard Hughes Medical Institute Caption Voltron makes neurons in zebrafish brains glow. Credit Ahmed S. Abdelfattah Usage Restrictions Please credit the photographer. 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.