Researchers (IMAGE) Stellenbosch University Caption Researchers Mr Douglas Parry and Dr Daniel le Roux from the Cognition and Technology Research Group in the Department of Information Science at Stellenbosch University Credit Stefan Els 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.