Somewhere Dan Brown is Smiling

Real-life Da Vinci Code: Tiny numbers and letters discovered on the Mona Lisa | Mail Online: "Intrigue is usually focused on her enigmatic smile.

But the Mona Lisa was at the centre of a new mystery yesterday after art detectives took a fresh look at the masterpiece – and noticed something in her eyes.

Hidden in the dark paint of her pupils are tiny letters and numbers, placed there by the artist Leonardo da Vinci and revealed only now thanks to high-magnification techniques."