It’s A Small World.

The Nikon International Small World Competition first began in 1974 as a means to recognise and applaud the efforts of those involved with photography through the light microscope.
Since then, Small World has become a leading showcase for photomicrographers from the widest array of scientific disciplines.

Soap Film:

Snowflake:

Crystallized Soy Sauce:

Spiral Vessels From Banana Plant Stem:

These are just some of the entries for the 36th annual Nikon Small World Photomicrography Competition.
The winners will be announced on October 13th and you can vote for the best image HERE.