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Sometimes, we can't have nice things. PFAS seems to be one of those times.

There only seem to be application specific replacements, e.g. ceramic pan coatings and glass mouse skates. The properties of PFAS are in a class of their own. All the known replacements are other PFAS.

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“Molecule is extremely durable” and “molecule does not accumulate in the body” are inherently at odds; the design space in which those properties arise lends itself naturally to insidious poisons.

Wouldn’t that describe things like gold? Harmless if both are true?

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