To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 1 Mitochondria Motility in axons of cortical neurons labelled with MitoTracker green in control conditions. 1 frame/sec for 3 minutes Spatiotemporal regulation of GSK3β levels by miRNA-26a controls axon development in cortical neurons Cristiano Lucci, Raquel Mesquita-Ribeiro, Alex Rathbone, and Federico Dajas-Bailador Development 2020. 147:None-None; doi: 10.1242/dev.180232 Download Original Video