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Click to enlarge -- Courtesy of Nikon Small WorldThis 400x photo of algae (Haematococcus), protozoa (Euplotes) and ciliate (Cyclidium) received an honorable mention in the 2012 Nikon Small World Photomicrophotography Competition. It was taken by Charles Krebs of Charles Krebs Photography in Issaquah, WA, using differential interference contrast.

www.nikonsmallworld.com

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