Diatoms - Life in glass houses
Champions of photosynthesis, these unicellular organisms appeared at the time of dinosaurs.They produce a quarter of the oxygen we breathe.

Les Dinoflagellés - Ceratium hexacanthum
chaîne de Ceratium hexacanthum qui restent les uns à la suites des autres au fur et à mesure des divisions.
Le mouvement des flagelles est bien visible.

The various components of a profiling float type PROVOR

Illustration in synthesized images of the seasons of the ocean: a year from the Antarctic - Animation Clement Fontana

This video describes how to perform the Ludion experiment and explains the physical processes involved.