To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie S2. Synchronization of pairs of pipette-held flagella on Volvox somatic cells: AP state. (Scale bar: 10 μm.) Coordinated beating of algal flagella is mediated by basal coupling Kirsty Y. Wan, and Raymond E. Goldstein PNAS. 2016. 113:E2784-E2793 DOI: 10.1073/pnas.1518527113 Download Original Video Browse All Videos »