Leonardo da Vinci not only used brushes when he painted, but he also utilized his fingers and hands, often leaving behind fingerprints in the process. When examining "Profile of the Bella Principessa," art experts found a fingerprint which, upon closer examination, matches fingerprints found in another da Vinci painting.
Fascinating! Later this month I'm interviewing Dr. William Wallace, one of the art world's foremost experts on Michelangelo and author of a new biography. You can bet I'll be asking him about the intersection between art and technology in our ever-changing world.
Read more and watch a video about da Vinci:
Possible New Da Vinci Painting Found : Discovery News (view on Google Sidewiki)