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Punta Tombo Penguins
Every breeding season, some 400,000 Magellanic penguins (Spheniscus magellanicus)...
Branching Red Algae
Under the microscope, you can peer inside the cells of this filamentous red algae....
A Diatom Helix
This beautiful marine diatom Chaetoceros debilis was caught in the North Sea. Not...