To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie S2. Evolution of stochastic trajectories in the Lagrangian frame, released from inside and outside the four closed diffusion barriers bounding Agulhas rings. Material barriers to diffusive and stochastic transport George Haller, Daniel Karrasch, and Florian Kogelbauer PNAS. 2018. 115:9074-9079 DOI: 10.1073/pnas.1720177115 Download Original Video Browse All Videos »