Using microscopes and specialized photographic techniques, the stamp images capture details 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.