Art historians have known for some time that Old Masters such as Leonardo da Vinci and Sandro Botticelli mixed egg yolks into their oil paints. Now, scientists may have discovered the reason why. An ...

One of the most common human gestures, the pointing finger, appears frequently in Old Master paintings as a guiding cue.

We know that the Old Masters like Botticelli, da Vinci or Rembrandt used to add animal proteins, such as egg yolk, to their paints, to modify their properties and allow more sophisticated paint ...