(IMAGE) Nara Institute of Science and Technology Caption Supersulfides play a fundamental role in longevity: maintaining protein folding in the endoplasmic reticulum (ER) and energy production in mitochondria. Credit Akira Nishimura Usage Restrictions Credit required 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.