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Streams of motile cells appear in both healthy development and the evolution of tumours. A study of cells under lateral confinement now suggests their activity plays a key role in triggering these flows.

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Fig. 1: Cell streaming depends on stripe width.


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Correspondence to Francesc Sagués.

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Sagués, F. Live streaming. Nature Phys 14, 638–639 (2018). https://doi.org/10.1038/s41567-018-0127-7

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