Yongyao Xia, Cell Press (IMAGE) Cell Press Caption This is a photograph of Yongyao Xia in the laboratory. Credit Yongyao Xia Usage Restrictions Credit Required. 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.