Researchers (IMAGE) Ruhr-University Bochum Caption This photo shows Karina Morgenstern and Cord Bertram with the experimental setup. Credit RUB, Marquard Usage Restrictions This image may only be used to report about the Ruhr-Universitaet Bochum in the context of the press release "How ice particles promote the formation of radicals", published in December 2018. 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.