Fig. 1 (IMAGE) Osaka University Caption 20 colors of bioluminescent protein “eNLEX". The method for changing bioluminescence color (top) and the bioluminescent image of 20-color eNLEX taken with a smartphone camera (bottom). Credit 2025 Nagai et al., Creating coveted bioluminescence colors for simultaneous multi-color bioimaging., Science Advances Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. License CC BY-NC 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.