Uwe Bunz and Jinsong Han (IMAGE) Cell Press Caption This image shows Uwe Bunz (left) and doctoral student Jinsong Han looking at a row of the glowing dyes used in the whiskey-distinguishing 'tongue.' Credit Sebastian Hahn Usage Restrictions Credit required 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.