To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie S3 Time course of a photobleaching experiment with a dl/+;dl-mGFP/+ embryo. Left side: Dl-mGFP fluorescence. Right side: H2A-RFP fluorescence. Frames are 30 s apart. Movie played at 7 frames per second. Related to Figure 3. A facilitated diffusion mechanism establishes the Drosophila Dorsal gradient Sophia N. Carrell, Michael D. O'Connell, Thomas Jacobsen, Amy E. Pomeroy, Stephanie M. Hayes, and Gregory T. Reeves Development 2017. 144:4450-4461; doi: 10.1242/dev.155549 Download Original Video