Robert Cox with Brown Anole Lizard (IMAGE) University of Virginia Caption University of Virginia biologist Robert Cox is with a brown anole. He is investigating how and why males and females follow different paths during development. Credit Photo by Dan Addison, UVA University Communications Usage Restrictions For news purposes only. 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.