First place went to this colorful, fluorescent image of a tiny turtle embryo.

First place went to this colorful, fluorescent image of a tiny turtle embryo.

Technicolor photos of delicate embryos, feathery mosquito headgear, a spider’s facial “hair” and an explosion of light in a frozen water droplet were just a few of the standout images in this year’s Nikon Small World microphotography contest.

The competition’s top prize went to a colorful view of a developing turtle embryo; the tiny creature measured only 1 inch (3 centimeters) long, according to the contest website. Teresa Zgoda, a microscopy technician, and Teresa Kugler, a recent graduate of the Rochester Institute of Technology in Rochester, New York, captured the image as part of an embryology course they were taking at the Marine Biological Laboratory in Woods Hole, Massachusetts. 

Vivid pink hues highlight the growing embryo’s skeleton, while blue and green reveal the textures and patterns in its skin and shell. To create the image, Kugler and Zgoda combined fluorescence and stereo microscopy — an optical imaging technique — according to the website. 

Now in its 45th year, the 2019 contest awarded prizes and honorable mentions to 86 photos selected from more than 2,000 entries, which were submitted by scientists and artists from nearly 100 countries worldwide, contest representatives said in a statement.

“Our goal has always been to show the world how art and science intersect,” said Nikon Instruments representative Eric Flem. “As new imaging and microscopy techniques develop over the years, our winners showcase these technology advances more and more creatively. First place this year is no exception,” Flem added. 

To produce the highly detailed photo of the delicate turtle embryo, Zgoda and Kugler created hundreds of images that were then stacked together. 

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Trumpet-shaped, single-cell organisms called stentors glowed in the image that nabbed second place. Ringing these microscopic freshwater “trumpets” are cilia, or fine hairs, that the organisms use for swimming and eating. Photographer Igor Siwanowicz, a research scientist with the Howard Hughes Medical Institute’s Janelia Research Campus in Ashburn, Virginia, turned to confocal microscopy to capture these cilia. This microphotography technique blocks some of the light bathing the subject, so that small portions are illuminated and in focus, according to the statement.

Third place went to another photo of an embryo: that of an alligator. But unlike the turtle embryo image, this one illuminates not only the embryo’s skeleton, but also the delicate traceries of its developing nervous system. Branching neural tendrils are visible throughout its body; the clusters are especially dense around the alligator embryo’s mouth and in its arms.  

Other remarkable views of tiny wonders include the astonishingly feather-like fronds of a male mosquito’s antennae; spiraling structures in a cross-section of a tulip bud; fruit fly ovaries; and a mushroom-shaped crystal suspended inside a piece of quartz.

You can see this year’s winning images, honorable mentions and other notable entries on the Nikon Small World website.



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