The dance of the cells: A minuet or a mosh?

The physical forces that guide how cells migrate—how they manage to get from place to place in a coordinated fashion inside the living body— are poorly understood. Scientists at the Harvard School of Public Health (HSPH) and the Institute for Bioengineering of Catalonia (IBEC) have, for the first time, devised a way to measure these forces during collective cellular migration. Their surprising conclusion is that the cells fight it out, each pushing and pulling on its neighbors in a chaotic dance, yet together moving cooperatively toward their intended direction.

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