• Courtney (she/her/they) @lemmy.blahaj.zone
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    2 months ago

    WOO! IN YOUR FACE, CYANOBACTERIA OF 2 BILLION YEARS AGO! WE DID IT IN RECORD TIME!

    (2ish BYA cyanobacteria in the ocean produced oxygen, but nothing had yet developed protection from oxidation, thus killing almost everything living)