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Scientists winkle a secret from 'Mona Lisa' about how it was painted
Credit: IndiaTimes- Published on October 12, 2023
Scientists using X-rays have discovered that Leonardo da Vinci used a different oil-paint recipe for the "Mona Lisa" than for his other paintings. The researchers found a rare compound called plumbonacrite in the first layer of paint, confirming that Leonardo most likely used lead oxide powder to thicken and help dry his paint....