Do you think of algae as gloopy green slime? Think again. This unicellular diatom (Diatom Arachnoidiscus), a type of algae, reveals an intricate rainbow pattern under 40x magnification. The colorful effect is due to the diatom’s silica cell wall, which encases the organism like a glassy shell.
E. coli grown on Endo agar. Engo agar selects for the growth of gram negative bacteria and differentiates between lactose fermentors. E. coli is an extremely efficient lactose fermentor, leading to the production of a metallic green sheen.
Virus from the deep (by biotechnologiamorska)