Cyanobacteria (VIDEO) Cell Press This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption This video shows cyanobacteria. (The yellow glow is the expression of the yellow fluorescent protein under control of the clock.) Credit Michael Rust, PhD Usage Restrictions Credit Required. 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.