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Diatom Close-up -- Courtesy of Nikon Small WorldThis 400x photo of a diatom (Navicula variolata) received an Image of Distinction designation in the 2013 Nikon Small World Photomicrophotography Competition, which recognizes excellence in photography with the optical microscope. It was taken by Mr. Arturo Agostino ofReggio Calabria, Italy, using a darkfield technique.

www.nikonsmallworld.com

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