More light stress (IMAGE) University of California - Riverside Caption Plants in the Dehesh Lab at UC Riverside changing color in response to stress caused by high light conditions. Credit Jin-Zheng Wang/UCR Usage Restrictions None License Original 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.