PARIS (AP) — The “Mona Lisa” has given up another secret. The oil-paint recipe that Leonardo used as his base layer to prepare the panel of poplar wood appears to have been different for the “Mona Lisa," with its own distinctive chemical signature, the team of scientists and art historians in France and Britain discovered. Gonzalez has studied the chemical compositions of dozens of works by Leonardo, Rembrandt and other artists. Political Cartoons View All 1206 Images“In this case, it’s interesting to see that indeed there is a specific technique for the ground layer of ‘Mona Lisa,’" he said in an interview with The Associated Press. “It flows more like honey.”But the “Mona Lisa” — said by the Louvre to be a portrait of Lisa Gherardini, the wife of a Florentine silk merchant — and other works by Leonardo still have other secrets to tell.

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Persons: Mona Lisa ”, Leonardo da Vinci, Leonardo, Mona Lisa, ”, Victor Gonzalez, Gonzalez, Rembrandt, ’, Carmen Bambach, ” Bambach, “, ” Gonzalez, Mona Lisa ” —, Lisa Gherardini Organizations: PARIS, American Chemical Society, CNRS, Associated Press, Louvre Museum, New York's Metropolitan Museum of Art, Louvre Locations: France, Britain, Paris, New