The pollen of a Birch Tree stick on stigma of a passionflower you can see two pollen of a passionflower one with genetic material (right) and one without (middle). courtesy of Frans Holthuysen, Philips Research, MiPlaza taken on a Nova NanoSEM 600
This is not your typical electron microscope snowflake photo, usually delicate and beautiful. It's a capped column snowflake zoomed in times. Those intriguing and sightly gross flabby little hair thingies on both ends of the flake are rime ice.
The image shows the surface of a mosquito egg (from Culex pipiens), which generates a water repellent network by connecting microscopically small structures to trap a thin layer of air. (Credit: Martin Oeggerli, The EMBO Journal)