RNA Sponge (IMAGE) University of Würzburg Caption The cover picture of the current issue of the journal "Molecular Cell" shows an artistic view of an RNA sponge in action. Credit Imma Matera (Tipstudio) 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.