Seeing Transcription (2 of 2) (IMAGE) Massachusetts Institute of Technology Caption Dual-color super-resolution imaging reveals Pol II clusters (cyan blue) in the nucleus of a living cell. At this instant, a cluster of Pol II is captured on the active beta-actin gene locus (red). Credit Image courtesy of the researchers Usage Restrictions Images are made available under a Creative Commons Attribution Non-Commercial No Derivatives license. 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.