experimental setup (IMAGE) Johannes Gutenberg Universitaet Mainz Caption Experimental setup used for the conversion of carbon dioxide to ethanol in the lab of Professor Carsten Streb’s team at Mainz University Credit photo/©: Julius Wetzel Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND 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.