The liquid-crystal-like order of cells in epithelial tissues aids rearrangements, but there is disagreement over the dominant liquid crystal phase. Now, a unified approach reveals that two distinct symmetries dominate at different scales.
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Beller, D. Symmetry depends on scale in cellular monolayers. Nat. Phys. (2023). https://doi.org/10.1038/s41567-023-02167-4