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.
Deployment of a profiling float (Photo : Jean-JacquesPangrazi)
Squid larva(Photo : Fabien Lombard)
Rosette used to collect seawater samples during a scientific cruise in the South Pacific Ocean. (Photo : Joséphine Ras)
Dinoflagellate Ceratium gravidum (Photo : Sophie Marro)