A class of biological matter including elongated cells and filaments can be understood in the framework of active nematic liquid crystals. Within these systems, topological defects emerge and give rise to remarkable collective behaviours.
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Fardin, MA., Ladoux, B. Living proof of effective defects. Nat. Phys. 17, 172–173 (2021). https://doi.org/10.1038/s41567-020-01084-0
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DOI: https://doi.org/10.1038/s41567-020-01084-0
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