You may think that these were small pieces of art...nope just bacteria in petri dishes.
Petri dish art
Petri dish dishes (posted on Bee of Design's blog
Daily Petri Dish
"For every day in 2013 San Francisco based artist Klari Reis will be creating art within the confines of plexiglass petri dishes for a project called The Daily Dish, which is a continuation of a project she completed back in 2009. Klari uses layers of reflective epoxy polymer to create colorful and abstract paintings that look like living microorganisms." Via Daily Petri Dish – Honestly WTF
Plant cells under microscope.
Photographer's Perfect 'Arrangements' Series Highlights Color and Simplicity
Photographer Emily Blincoe's love of simplicity is evident in her series "Arrangements," an ode to color, shape and impeccable prop styling
"Found in Nature” Turns Pollution into the Solution. Barry Rosenthal is a New York photographer who stumbled onto using trash as an artistic medium after years of shooting plants in nature and realizing there was so much garbage littering these areas.
Viruses---This is a really cool and detailed picture of a virus. The article/blog linked to the picture talks about the good and bad of viruses and how not all viruses harm you.