“evolutionary adaptation, which has had plenty of time to encrust everything with interlocking, overlapping rococo epicyclic curclicues, but in a complete nonhuman manner that can be a source of constant bafflement and surprise.”

Link. Yep. Biological functions are nuts.

“There’s a complicated sulfur storage and release system inside cells that we don’t fully understand, and while some of it is certainly involved in on-the-spot generation of hydrogen sulfide, some of it is clearly regulating protein function by SSH groups”