Scientists identify secret ingredient in Leonardo da Vinci paintings
محرر واقع مصر
سي إن إن إنترناشيونال - عالم
15 أغسطس, 2026
"Old Masters" such as Leonardo da Vinci, Sandro Botticelli and Rembrandt may have used proteins, especially egg yolk, in their oil paintings, according to a new study.
