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submitted 10 months ago by fossilesque@mander.xyz to c/science_memes@mander.xyz
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[-] Tar_alcaran@sh.itjust.works 66 points 10 months ago* (last edited 10 months ago)

That blue bar is extremely pessimistic. Humans can survive pretty well with 15% oxygen, and do so in several places in the Andes mountains, China and India. I wouldn't recommend doing it without lengthy acclimatizing, especially not considering my last paragraph, but it's completely survivable by itself.

Humans also don't really have a problem with 25% oxygen, although that will definitely bring down the life expectancy.

On the other hand, note how those pointers talk about giant insects, megafauna and other scary things. Those are a much bigger problem than the air you're breathing.

[-] refalo@programming.dev 2 points 10 months ago

bring down the life expectancy

why?

[-] Droechai@lemm.ee 2 points 10 months ago

Oxygen is really rough on the DNA due to making the cells "rust" which hampers cell division and/or increases risks of mutations or cancers

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this post was submitted on 08 Aug 2024
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