Amoebas building their own home.

Unprepared leaves can provide a surprising view through a microscope.

Due to their aesthetic shapes, Desmids are interesting to observe with a microscope.

Green masses in ditches and ponds are often caused by networks of long threads originating from filamentous algae.

Cyanobacteria or blue-green algae are undoubtedly the most important microorganisms that have ever appeared on Earth. Here you can read more about these fascinating microorganisms.