If you’ve ever wondered how a diving beetle swims through the water or manages to rest just on the surface, the answer is in part because its foot is infinitely more complicated than your own. As seen above, this microscopic image of a male Acilius sulcatus (diving beetle) by photographer Igor Siwanowicz reveals the extraordinary complexity of this aquatic insect’s tiny appendage. (http://www.thisiscolossal.com/2016/10/insect-microscopy-igor-siwanowicz/)