Stinky H2S (IMAGE) University of California - Riverside Caption UC Riverside Earth system modeler Dominik Hülse reacting to the toxic scent of hydrogen sulfide. Credit Dominik Hülse/UCR Usage Restrictions none License Original 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.