Brain Cells (IMAGE) University of Göttingen Caption Adding human Epo enabled the brain cells of the locust (here stained with phalloidin and propidium iodide) to be saved. Credit Ralf Heinrich 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.