When conservators used X-rays to analyze Rembrandt’s 17th-century masterpiece “The Night Watch,” they discovered something unexpected under its surface: lead.

When conservators used X-rays to analyze Rembrandt’s 17th-century masterpiece “The Night Watch,” they discovered something unexpected under its surface: lead.

A new study has found a rare compound in the base layer of the "Mona Lisa" that is formed from a lead oxide and oil combination, and provides a peek into one of Leonardo da Vinci's experimental ...

Apart from oil-based paint layers, some of the layers were made of natural resins, proteins, gums, and, in some cases, a resinous, varnish-like layer. Protein-based material can indicate the use ...

"Oil paint can last for centuries, but it is not inert," Centrone and her co-authors wrote in their paper. "Artworks made with oil paints consist of several layers, each with specific functions ...

Apart from oil-based paint layers, some of the layers were made of natural resins, proteins, gums, and, in some cases, a resinous, varnish-like layer. Protein-based material can indicate the use ...

Apart from oil-based paint layers, some of the layers were made of natural resins, proteins, gums and, in some cases, a resinous, varnish-like layer. Protein-based material can indicate the use of ...