This image shows a structure identified as a target for obesity - diabetes (human CES1), superimposed on on a field of human fat cells with their lipids stained with a fluorescent dye. (sciencedaily.com)
Subjects were hooked up to an MRI and shown pictures of faces superimposed over images of houses. (health.com)
Sirt4 (in green) in mitochondria (in red) of cells, with superimposed image on right (overlap in yellow). (news.brown.edu)