Dung Beetle Research (IMAGE) University of the Witwatersrand Caption Researchers study the effect that polarised light and other cues have on the navigational orientation of dung beetles in the field. Credit Chris Collinridge/Wits University 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.