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Biological collectives

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If you have a question about this talk, please contact Anne Herrmann.

Collective behaviour is everywhere in nature, from the flocking of birds to the schooling of fish. In this talk, I will investigate two such phenomena in more detail through the use of mathematical models. A bacterial biofilm is a consortium of microorganisms embedded in an extra-cellular matrix. They are ubiquitous in nature, being found everywhere from on stagnant pools of water to plaque on teeth. I will present a mathematical model developed in order to understand the growth of a biofilm in confinement e.g. on the surface of a catheter. Secondly I will introduce the marine acoel Symsagittifera roscoffensis and in particular the collective motion observed as the density of worms increases.

This talk is part of the DAMTP BioLunch series.

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