After Hours

From sea mullets to feeding rotifers: Top 20 Nikon Small World images of 2015

2. Mouse colon

From the Stanford University School of Medicine, this image of a mouse colon colonized with human microbiota was captured using confocal microscopy.

Image: Kristen Earle, Gabriel Billings, KC Huang, Justin Sonnenburg/Nikon

By Conner Forrest

Conner Forrest is an analyst for 451 Research. He was formerly a Senior Editor for TechRepublic.