illustration (IMAGE) UT Southwestern Medical Center Caption A microscopy technique created at UT Southwestern and powered by machine learning can detect multiple biochemical reactions in single cells in real time. The study found levels of the Xbp1 protein (green) rise in response to repeated or prolonged stress. Each colored hexagon corresponds to a different biochemical reaction tracked in the cells displayed in the center hexagon. Credit UT Southwestern Medical Center 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.