Here is a very funny educational video from the Carthe group (University of Miami). How physical oceanographers study and track currents and why it is important.
Very useful data if you want to know where our precious plankton is going! Just watch! funny and instructive.
Video credit: Laura Bracken (CARTHE), Patrick Rynne (Waterlust) and Fiona Graham (Waterlust), Sharon Chinchilla (CARTHE) and Jennah Caster (Waterlust)