Eland Rock Art in the RSA (IMAGE) University of the Witwatersrand Caption Scientists have pioneered a technique to directly date prehistoric rock paintings in southern Africa, which reveals dates much older than previously thought. Credit David Pearce Usage Restrictions None 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.