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.

Pollen is a fantastic subject to study with a microscope. The diversity of shapes of pollen grains is enormous and a lot of interesting information can be derived from it.

Sand can look beautiful under the microscope. Of course there are many different types of sand and so far I have only studied a few types with the microscope.

The wide variety of colors in flowers and fruits is largely caused by pigment containing organelles called chromoplasts. Chromoplasts belong to the plastids and they are responsible for the bright red, orange and yellow colors in many fruits and flowers.

Stomata consist of specialised cells that mainly occur on the underside of leaves. They regulate the gas exchange between the plant and it’s environment, the plant is 'breathing' through them, as it were. Stomata are very recognizable by the two bean-shaped guard cells that regulate the size of the opening.