Pérez-Estay, B., Martinez, V., Douarche, C., Schwarz-Linek, J., Arlt, J., Delville, P., McConnell, G., Poon, W. C. K., Lindner, A., Clément, E. (2026). Collective motion in bacterial suspensions is scale-free. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.2600266123