We have a new publication in PNAS: R.G. Sampayo, M. Sakamoto, M. Wang, S. Kumar,* and D.V. Schaffer* (2023). Mechanosensitive Stem Cell Fate Choice is Instructed by Dynamic Fluctuations in Activation of Rho GTPases. Proceedings of the National Academy of Sciences (PNAS) 120: e2219854120 [*co-corresponding] (PDF).