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A little wonder, every day

Disordered hyperuniformity in the chicken retina

Документальне фото курки; видимий зовні орган не показує мікроскопічного розподілу колбочок / Documentary chicken portrait; the visible eye does not show the microscopic cone mosaic. Credit: AnnaPici21; CC BY-SA 4.0. https://creativecommons.org/licenses/by-sa/4.0 Source: https://commons.wikimedia.org/?curid=134274318

Документальне фото курки; видимий зовні орган не показує мікроскопічного розподілу колбочок / Documentary chicken portrait; the visible eye does not show the microscopic cone mosaic. Credit: AnnaPici21; CC BY-SA 4.0. https://creativecommons.org/licenses/by-sa/4.0 Source: https://commons.wikimedia.org/?curid=134274318

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A 2014 study found unusual spatial organization among five chicken-retina cone types. Locally they do not form a crystalline lattice, yet large-scale density fluctuations are suppressed: disordered hyperuniformity. This describes a statistical cell distribution, rather than a simple rule that identical cells are never neighbors.