The clean white appearance of Greek sculpture has heavily influenced modern ideas about classical art.
But many ancient sculptures were originally painted in bright colors.
Researchers call this decoration polychromy.
Pigments could be used...
The Mona Lisa may be the world's most recognizable painting, but its physical construction is sometimes overlooked.
Leonardo da Vinci painted it on a wooden panel, not canvas.
More specifically, the support is made from poplar wood.
Leonardo...