Thorsten Müller, Ruhr-University Bochum (IMAGE) Ruhr-University Bochum Caption Thorsten Müller researches in Bochum into so-called organoids from stem cells that function like mini brains. Credit RUB, Marquard Usage Restrictions The image may only be used for reporting about Ruhr-Universität Bochum in the context of the press release "Pros and cons of genetic scissors", published in September 2019. 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.