Mysterious Chemical Reaction Is Destroying Famous Masterpieces
(ArtsJournal Dance)

Conservation scientists say that tiny formations of lead-based soaps-each about a tenth of a millimeter in diameter-are threatening to mar paintings by artists ranging from Rembrandt van Rijn to Georgia O´Keeffe. A team of experts has spent years researching why these microscopic white pockmarks appear-but they can´t figure out how to stop them.