Have you ever wondered what a clump of mussels, a herd of grazers, or a spot of bacteria under the microscope have in common? All these aggregations follow from similar physical movement process, where organisms move a lot when alone, but move less when in aggregation.
We outline this new principle in a paper that just appeared online in Physics of Life Reviews, The paper was a collaboration with first author Quan-Xing Liu (a former PhD student of mine) Max Rietkerk, Peter Herman, John Fryxell, and Theunis Piersma.
Pdf: Link to Liu’s Researchgate.
(Elk photo is from: https://chrisandmattcycleacrossamerica.wordpress.com)