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.
Scientists collecting seawater samples from the rosette (Photo : Stacy Knapp, Woods Hole Oceanographic Institution)
Coccolithophore (Photo : Sophie Marro)
Dinoflagellate Ceratium azoricum (Photo : Sophie Marro)
Instrumented buoy (Photo : David Luquet)
Diatom genus Cylindrotheca(Photo : Sophie Marro)
Squid larva(Photo : Fabien Lombard)
Rosette used to collect seawater samples during a scientific cruise in the South Pacific Ocean. Duringthe austral summer,the amount of chlorophyllais so low thatthe water becomesdeepblue,almostpurple. (Photo : Joséphine Ras)
