Old Masters Purposefully Mixed Oil and Egg Yolk to Create Their Masterpieces, New Study Finds

Old Masters such as Leonardo da Vinci, Sandro Botticelli, and Rembrandt van Rijn may have mixed oil and proteins like egg yolk in their paintings, a new study published in the journal Nature Communications revealed on Tuesday.While it was known that many artists from their eras relied on fast-drying egg tempera for their art, it was largely thought that these artists primarily dedicated themselves to oil, which does not use protein as a binder and which sets much slower than tempera. The new stu