The winners of this class ’s Nikon Small World Competition have been herald , showcasing the respectable microphotography that 2021 had to offer .

This is the 46th running of theannual competition , which recognizes the year ’s most outstanding microphotography across a wide image of scientific subject field . A panel of judges choose 20 winning entree , and also visualize worthy of honorable cite and differentiation .

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A close-up view of a louse’s claw.

A close-up view of a louse’s claw.Image: Frank Reiser

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