Xuehua Zhong (IMAGE) Washington University in St. Louis Caption Xuehua Zhong (right), professor of biology at WashU, studies the evolutionary strategies that plants use to thrive and survive. She frequently studies Arabidopsis thaliana, or thale cress. Credit Sean Garcia, WashU Usage Restrictions For editorial purposes 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.