These are photomicography–photographs from microscopes. I especially like the Differentiation of Unicellular Dictyostelium. Looks like penguins (or ducks?) ice skating. The photos speak for themselves. Enjoy.
Radiolarians, Fossil Shells. Photo by Wim van EgmondPleurosigma (Marine Diatoms). Photo by Michael StringerDifferentiation of Unicellular Dictyostelium. Photo by Matthew SpringerRecrystallized Vitamin C. Photo by Milan KosanovicCrystallized Mixture of Resorcinol, Methylene Blue and Sulphur. Photo by John HartMitomycin (Anti-cancer Drug). Photo by Margaret OechsliClosterium, Diatoms and Spirogyra. Photo by Charles Krebs