Art touched by evolution. It might sound like an intervention to the less-scoped artist, but nevertheless, its true. Evolutionary algorithms can create eye candy abstract art. A genetic programming framework evolves an expression (formula) which outputs color values for a given co-ordinate in the picture. Fitness is assigned to each such formula based on how aesthetically pleasing the picture turns out to be. With proper human guidance, you can get pretty good works of art. More information.