Nikon Small World microscopy contest 2022: Meet this year’s top


This arresting image of the hand of an embryonic Madagascar giant day gecko took first place in the annual competition.
Enlarge / This arresting picture of the hand of an embryonic Madagascar big day gecko took first place within the annual competitors.

The Madagascar big day gecko (Phelsuma grandis) is a well-liked unique pet, maybe as a result of it looks a bit like Geico’s beloved animated gecko mascot. Adults measure about 10 inches in size and are recognized for his or her shiny inexperienced physique colour, augmented by a crimson stripe working from the nostril to the attention. They can lick their eyeballs (a method to maintain them clear because the creatures lack eyelids). And, in fact, they sport these well-known adhesive pads on their ft and arms—superb for clinging to easy vertical surfaces—that physicists find so fascinating.

Now now we have a singular perspective on the gecko’s most well-known appendage: a placing photomicroscopy picture of an embryonic hand of Phelsuma grandis, courtesy of a Swiss graduate scholar, Grigorii Timin, on the University of Geneva and his advisor, Michael Milinkovitch. It’s the profitable picture within the 2022 Nikon Small World Photomicrography Competition, designed to spotlight “gorgeous imagery from scientists, artists, and photomicrographers of all experiences and backgrounds from throughout the globe,” based on Nikon’s communications supervisor Eric Flem.

The first step in creating the profitable picture was to arrange the pattern utilizing whole-mount fluorescent staining of the tissue. And an embryonic gecko hand is definitely fairly a big pattern (about 3 mm or 0.12 inches lengthy) in the case of high-resolution microscopy. So Timin painstakingly merged a whole bunch of photos—300 tiles, every containing some 250 optical sections—collectively utilizing image-stitching to create the ultimate outcome. Those cyan sections spotlight the nerves within the embryonic hand, whereas different colours spotlight bones, tendons, ligaments, pores and skin, and blood cells.

Here are the remaining prime 10 winners of this yr’s contest. You can try the full list of winners, in addition to a number of honorable mentions, here—89 in all, chosen from hundreds of submissions all over the world.

Caleb Dawson of the Walter and Eliza Hall Institute of Medical Research in Melbourne, Australia:
Enlarge / Caleb Dawson of the Walter and Eliza Hall Institute of Medical Research in Melbourne, Australia: “Breast tissue exhibiting contractile myoepithelial cells wrapped round milk-producing alveoli.”

Caleb Dawson

Satu Paavonsalo and Sinem Karaman, University of Helsinki, Finland:
Enlarge / Satu Paavonsalo and Sinem Karaman, University of Helsinki, Finland: “Blood vessel networks within the gut of an grownup mouse.”

Satu Paavonsalo & Sinem Karaman

Andrew Posselt, University of California, San Francisco:
Enlarge / Andrew Posselt, University of California, San Francisco: “Long-bodied cellar/daddy long-legs spider (Pholcus phalangioides)”

Andrew Posselt

Alison Pollack, San Anselmo, California: Slime mold (<em>Lamproderma</em>)
Enlarge / Alison Pollack, San Anselmo, California: Slime mould (Lamproderma)

Alison Pollack

Ole Bielfeldt, Macrofying Cologne, Germany:
Enlarge / Ole Bielfeldt, Macrofying Cologne, Germany: “Unburned particles of carbon launched when the hydrocarbon chain of candle wax breaks down.”

Ole Bielfeldt

Jianqun Gao and Glenda Halliday, University of Sydney, Australia:
Enlarge / Jianqun Gao and Glenda Halliday, University of Sydney, Australia: “Human neurons derived from neural stem cells.”

Jianqun Gao & Glenda Halliday

Nathanaël Prunet, University of North Carolina at Chapel Hill:
Enlarge / Nathanaël Prunet, University of North Carolina at Chapel Hill: “Growing tip of a crimson algae.”

Nathanaël Prunet

Marek Sutkowski, Warsaw University of Technology, Poland:
Enlarge / Marek Sutkowski, Warsaw University of Technology, Poland: “Liquid crystal combination (smectic Felix 015).”

Marek Sutkowski

Murat Öztürk, Ankara, Turkey:
Enlarge / Murat Öztürk, Ankara, Turkey: “A fly beneath the chin of a tiger beetle.”

Murat Öztürk

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