Why some Georgia O’Keeffe paintings have ‘art acne’
A new imaging technique could help art curators track destructive bumps over time
![oil painting](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2019/02/021419_JR_okeefe_feat.jpg?fit=860%2C460&ssl=1)
PIMPLED PAINTINGS Many oil paintings by Georgia O’Keeffe, including this 1941 work titled “Pedernal,” are slowly being damaged by a type of “acne” forming under the paint.
Georgia O'Keeffe. Pedernal, 1941. Oil on canvas, 19 x 30 1/4 inches. Georgia O'Keeffe Museum. Gift of The Georgia O'Keeffe Foundation. © Georgia O'Keeffe Museum [2006.5.172]