These micrographs are all from a wild set on Flickr, Anthony D’Onofrio’s “Life on a Grain of Sand.” All of these are scanning electron micrographs of bacteria that have colonized a single grain. For more info, follow the links on each pic, or check out the whole photoset here: Life on a Grain of Sand.

Images courtesy of the Lewis Lab at Northeastern University. Images created by Anthony D’Onofrio, William H. Fowle, Eric J. Stewart and Kim Lewis.