Uutinen

Scientists say they have finally cracked a 500-year-old mystery - the secret of the Mona Lisa's smile. The enigmatic expression on Leonardo da Vinci's most famous work was analysed by

, reports the New Scientist. And the conclusion was that it conveyed 83% happiness, 9% disgust, 6% fear and 2% anger. The conclusion was made after the painting, on view in The Louvre in Paris, was analysed at the University of Amsterdam. The programme, co-developed with experts at the University of Illinois, drew on a database of young female faces to derive an average '

'

. It then analysed features like the curvature of the lips and

to form conclusions about emotions. But art expert Michael Daley argued: "The point of this work is that it's a riddle - and the inaccessibility of the emotions on her face is why

. "The idea that a computer can come up with four emotions to explain it is just