Flir looks for da Vinci's lost work

Anyone watching 60 Minutes tonight saw a Flir thermal camera being instrumental in a search for Leonardo da Vinci's lost masterpiece, "The Battle of Anghiari," a mural that may reside behind a wall covered by a another painting. An art detective is trying to use the heat signature of the pigments da Vinci favored to prove it's there. Pretty neat. View the preview here.