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Oxygen.
(mander.xyz)
A place for majestic STEMLORD peacocking, as well as memes about the realities of working in a lab.
Rules
This is a science community. We use the Dawkins definition of meme.
There's a bunch of creatures that don't use oxygen but they're mostly all prokaryotes, since oxygen metabolism unlocks a shitload of energy you can use for being large and complex.