Snooker in the Cell (IMAGE) Umea University Caption This is an illustration of the new chemo-optogenetic method presented by the research group of Yaowen Wu Credit Yaowen Wu, Umeå University Usage Restrictions Maybe used only in connection with publication about this publication of professor Yaowen Wu, Umeå University 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.