From the concluding "To-do List" section: "For understanding subcellular fluid mechanics, this article has outlined five dimensionless numbers: the Reynolds, Weissenberg, confinement, activity, and Peclet." Good reminder of how useful it is to think with dimensionless quantities!https://twitter.com/PhysicsToday/status/1168699768790339585 …
Somehow I didn't notice this was how the text was organized until they pointed it out there at the end (though guess what Eqs. 1-5 are).