Scientists identify secret ingredient in da Vinci paintings
Written by Jacopo Prisco, CNN Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. “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. Trace quantities of … Read more