Speedy Nuclei Do the Twist (IMAGE) DOE/US Department of Energy Caption Researchers retrieved the time-varying molecular structure of photoexcited o-nitrophenol from ultrafast electron diffraction data using a genetic algorithm. Credit Image courtesy of J. P. F. Nunes (generated using Microsoft Copilot) Usage Restrictions Image courtesy of J. P. F. Nunes (generated using Microsoft Copilot) 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.