Heather Dewey-Hagborg is an artist in New York who has an unusual way of combining her artistic talents with high tech science. She takes pieces of litter that she finds and extracts DNA from them to create a digital portrait of the people who left them behind. You can learn more about her and see her work by reading this NPR article.
Wish I had access to this technology so I could expose the bubbas who toss their beer cans and (worse) beer bottles along the edge of our farm. (However, while this technology is amazing, it is also kind of scary.)