The micro-structure of a scale from a butterfly wing. The holes are around 1 micrometre across, about the size of a bacterium. Visualised using scanning electron microscopy by Dr Bronwen Cribb, University of Queensland.
- Reflection by Leonid Fedyantsev Clouds of insects danced and buzzed in the golden autumn light, and the air was full of the piping of the song-birds. Long, glinting dragonflies shot across the path,.
Diatoms are microscopic algae composed of separate halves, with delicate siliceous cell walls. They're usually single-celled organisms, though some live colonially. They inhabit fresh and salt waters and are among the most abundant of all phytoplankton.