New results from the Rijksmuseum’s ongoing research into Rembrandt’s “The Night Watch” suggest that he treated his canvas with a lead-based substance before painting the ground layer. Operation Night ...

New research has revealed that Rembrandt impregnated the canvas for his famous 1642 militia painting ‘The Night Watch’ with a lead-containing substance even before applying the first ground layer.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. In Rembrandt’s ...