Disassemble the cells of a sponge (by passing them through a sieve, for instance), then dump them into a solution, and they will find their way back … - Bill Bryson

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Disassemble the cells of a sponge (by passing them through a sieve, for instance), then dump them into a solution, and they will find their way back together and build themselves into a sponge again. You can do this to them over and over, and they will doggedly reassemble because, like you and me and every other living thing, they have one overwhelming impulse: to continue to be.