chiral active matter | Living Matter Lab

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Many organisms, from single-cell to multicellular ones, form colonies through collective behavior for communal effects. In this work, we discovered the phenomenon of hydrodynamics self-assembly of sea star embryos during their early development. Embryos form a stable bound state at the water-air interface and hydrodynamically self-assemble into 2D crystals with hexagonal order. Combining experiments, hydrodynamic theory, and simulations, we demonstrate that the formation, dynamics, and dissolution of these living crystals are controlled by the natural development of the embryos. Remarkably, the living chiral crystals exhibit self-sustained oscillations with dynamic signatures recently predicted to appear in odd elastic materials, a novel mechanical material property. See here for general perspective. More generally, our work demonstrates how autonomous morphological development at the single-organism level can control collective dynamics and symmetry breaking at the macroscale. This

--> chiral active matter | Living Matter Lab top of page Odd dynamics of living chiral crystal Many organisms, from single-cell to multicellular ones, form colonies through collective behavior for communal effects. In this work , we discovered the phenomenon of hydrodynamics self-assembly of sea star embryos during their early development. Embryos form a stable bound state at the water-air interface and hydrodynamically self-assemble into 2D crystals with hexagonal order. Combining experiments, hydrodynamic theory, and simulations, we demonstrate that the formation, dynamics, and dissolution o

chiral active matter | Living Matter Lab

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