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Winning Photos Bring World of the Itsy-Bitsy to Life

First place went to this photo showing the blood-brain barrier in a live zebrafish embryo.

Winning photos showcase microscopic world

The winners of the 2012 Nikon International Small World photography contest were announced Oct. 23. The competition, launched in 1974, honors those spectacular pictures taken through a microscope, called photomicrographs. Each year a panel of judges picks the top 20, plus honorable mentions.

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