EditorialSilvia A. Centeno, left, a research scientist, and Charlotte Hale, a conservator, using a microscope to examine van Gogh’s “Cypresses” at the conservation center at the Metropolitan Museum of Art in New York on April 27, 2023. (George Etheredge/The New York Times)
EditorialSilvia A. Centeno, left, a research scientist, and Charlotte Hale, a conservator, using a microscope to examine van Gogh’s “Cypresses” at the conservation center at the Metropolitan Museum of Art in New York on April 27, 2023. (George Etheredge/The New York Times)
EditorialSilvia A. Centeno, left, a research scientist, and Charlotte Hale, a conservator, using a microscope to examine van Gogh’s “Cypresses” at the conservation center at the Metropolitan Museum of Art in New York on April 27, 2023. (George Etheredge/The New York Times)
EditorialSilvia A. Centeno, left, a research scientist, and Charlotte Hale, a conservator, using a microscope to examine van Gogh’s “Cypresses” at the conservation center at the Metropolitan Museum of Art in New York on April 27, 2023. (George Etheredge/The New York Times)
EditorialSilvia A. Centeno, left, a research scientist, and Charlotte Hale, a conservator, using a microscope to examine van Gogh’s “Cypresses” at the conservation center at the Metropolitan Museum of Art in New York on April 27, 2023. (George Etheredge/The New York Times)
EditorialSilvia A. Centeno, left, a research scientist, and Charlotte Hale, a conservator, using a microscope to examine van Gogh’s “Cypresses” at the conservation center at the Metropolitan Museum of Art in New York on April 27, 2023. (George Etheredge/The New York Times)
EditorialArthur Simms’s studio shelves are filled with work and other items that he has collected over the years, including mesh, feathers and angel set on pebbles, at his studio in Staten Island, March 6, 2023. (George Etheredge/The New York Times)
EditorialOrange sea urchin powder, red shrimp and herbs all arranged around little smooth pebbles from Noma restaurant in Copenhagen, June 21, 2010. (Erik Refner/The New York Times)
EditorialMark Callan, the deputy ice technician for the curling events, pebbles the ice before a curling match during the 2022 Winter Olympics at the National Aquatics Center in Beijing, Feb. 14, 2022. (Gabriela Bhaskar/The New York Times)