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Author(s): Alexis Bougouin, Henri Lhuissier, Yoël Forterre, and Bloen Metzger Flows of gravity-driven, shear-thickening fluids form a sharp, vertical front that advances at constant velocity independent of released volume, flow height, and slope. [Phys. Rev. Lett. 136, 158202] Published Thu Apr 16, 2026

Author(s): Henry Andralojc, Jake Turley, Helen Weavers, Paul Martin, Isaac V. Chenchiah, Rachel R. Bennett, and Tanniemola B. Liverpool We study theoretically the closure of a wound in a layer of epithelial cells in a living tissue after damage. Our analysis is informed by our recent experiments observing reepithelialization in vivo of Drosophila pupae. On time and length scales such that the evolution of the epithelial tissue near … [Phys...

Author(s): Kaiyao Qiao and Yilong Han Polydisperse colloidal spheres serve as valuable model systems for studying single-particle dynamics in liquids, glasses, and crystals. Particle size critically influences local structure and free volume, which governs dynamics. However, accurately determining individual particle diameters from imag… [Phys. Rev. Lett. 136, 158201] Published Mon Apr 13, 2026

Author(s): Alessandro Rizzi and Sangwoo Kim Biological tissues are active materials whose nonequilibrium dynamics emerge from distinct cellular force-generating mechanisms. Using a two-dimensional active foam model, we compare the effects of traction forces and junctional tension fluctuations on confluent tissue dynamics. While these two mode… [Phys. Rev. Lett. 136, 158401] Published Mon Apr 13, 2026

Author(s): Michael Wassermair, Gerhard Kahl, Roland Roth, and Andrew J. Archer Colloidal fluids can exhibit complex phase behavior and determining phase diagrams via experiments or computer simulations can be laborious. We demonstrate that the dispersion relation $ω(k)$, obtained from dynamical density functional theory for the uniform density system, is a highly versatile too… [Phys. Rev. Lett. 136, 148203] Published Fri Apr 10, 2026

Author(s): Giuseppe Petrillo, Eduardo Jagla, Eugenio Lippiello, and Alberto Rosso Elastic disordered interfaces driven through a heterogenpeous landscape respond via intermittent avalanches. In the overdamped limit, avalanche sizes follow a scale-free power-law distribution. Here, we investigate how inertial and dynamical terms beyond the overdamped approximation modify this beha… [Phys. Rev. Lett. 136, 148202] Published Thu Apr 09, 2026

Author(s): Anahita Mobaseri, Leonardo Gordillo, Charles Burton, Soyoon Yoon, Dong Lee, Satish Kumar, Michelle M. Driscoll, and Xiang Cheng Dense drops of cornstarch and water usually stiffen when they strike a surface, but sometimes they flow fleetingly like a liquid. [Phys. Rev. Lett. 136, 148201] Published Tue Apr 07, 2026