Medical photographer Norman Barker captures the biological beauty of human disease — microbes, cysts, diseased cells, as they appear out of context and close up. A professor of pathology and art at the Johns Hopkins University’s School of Medicine, Barker's new book is titled "Hidden Beauty: Exploring the Aesthetics of Medical Science." Above left, the Hepatitis B virus, and right, a fine collection of gallstones.
"Hidden Beauty: Exploring the Aesthetics of Medical Science" (via Smithsonian)