Rhisotope Rhino Project (1 of 2) (IMAGE) University of the Witwatersrand Caption Now researchers from Wits University and its partners hope a pioneering research project using radioactive isotopes injected in a rhino's horn will deliver a big blow to poaching and associated organized crime. Credit Jessica Shuttleworth Usage Restrictions Credit: Jessica Shuttleworth 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.