Science Memes

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Oxygen (mander.xyz)

submitted 2 months ago by [email protected] to c/[email protected]

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[–] [email protected] 19 points 2 months ago (1 children)

Oxygen is so crazy that once microbiology in the ancient oceans started producing it, all life on earth nearly died. Like very nearly sterilized the earth.

[–] [email protected] 9 points 2 months ago* (last edited 2 months ago)

At high concentrations, its still fucking awful for us. Easy to forget that the atmosphere is still only 21% Oxygen and 78% Nitrogen. Even setting aside the risks of fire and explosion at higher concentrations, this highly reactive substance degrades the nervous and musculature system.

You wouldn't want to wander around in a fully oxygenated environment for the same reason you wouldn't want to drive your car through a lake of gasoline.