His site is full of beautiful pictures https://500px.com/photo/55930268/angry-king-by-atif-saeed
Yesterday I had the pleasure to attend to a lecture held by the nobel-prize winner Dr. Eric Petzig. He developed new techniques for high resolution fluoreszenz microscopie.
Here you can see a T-Cell (red) interacting with a target cell (blue)
I have more if you guys are interested