How a Biofilm’s Strange Shape Emerges From Cellular Geometry

Biofilms lead lives of liminality. Just a few cells thick, these layered communities of microbes anchor themselves to solid surfaces at interfaces — where rocks meet salt water in tide pools, between plants and dirt in root systems, or on the saliva-covered surface of your teeth. Amalgamations of single cells, biofilms grow and develop into unified life forms that can split back into their…
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