A collection of postage stamps was released, featuring diatoms among other incredible views of the microscopic world.

The stamps include scanning electron micrographs and light micrographs of red blood cells, the feather of a macaw, a knotted strand of human hair, moss leaves, diatom shells, freshwater protozoans, an acorn barnacle, a moth’s antenna, the front foot of a diving beetle, neurons from a mouse’s brain, bone tissue from a starling, scales on the wing of a Madagascan sunset moth, a juvenile zebrafish, mushroom gills, the tongue of a freshwater snail, a blue button (similar to a jellyfish), mold spores, the legs of a barnacle, flame lily pollen, and the surface of a southern live oak leaf.