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promise-isa t1_j9a7gnf wrote

Reply to comment by hikeonpast in TIL: If you cut 2 different sponges up, disaggregate them (push them through a sieve), and mix the 2 cell-slurries together - the sponge cells reassociate with their own cells, but not cells of the other species. This is being studied to understand tissue repair and transplant rejection. by Geek_Nan

It does, depending where/when you are. What do you think we used before plastic?

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wglmb t1_j9ahf7x wrote

To be fair, the answer to that question is, for most people, not "sea sponges". Cloths and brushes were far more common.

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