Los Angeles artist John Knuth fed 250,000 house flies a mixture of sugar, water and digestible colored pigments. For six weeks, the flies feasted, wallowed around their enclosures and “regurgitated” the pigmented liquid onto the canvas-lined walls. Then they scuttled around their vomit and shit for a bit. Ate some more. Vomited some more. Shat some more. Ate some more. Etc. Etc.
What resulted were “dense layers of chromatic fields.” Very beautiful paintings.