"The Secret Lives of Masterpieces: CSI and the Art Institute of Chicago." Francesca Casadio, senior conservation scientist at the Art Institute of Chicago, speaks on ways the tools of science can shed new light on the creative and technical feats of such giants as Monet and Picasso. Followed by a reception. Cosponsored with the American Chemical Society, Rochester section and free to MAG and ACS members; included in Gallery admission for all others.