this post was submitted on 14 Jul 2026
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xkcd

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How long could the human race survive on only cannibalism? (youtube.com)
submitted 3 days ago by schnurrito@discuss.tchncs.de to c/xkcd@lemmy.world
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[โ€“] southsamurai@sh.itjust.works 1 points 2 days ago (1 children)

Yeah, but the question is how long would humans last, but whether there's a way to make it work at all.

My point was that it isn't sustainable, but that it makes more sense than just killing everyone but an unrealistically small population

[โ€“] balsoft@lemmy.ml 2 points 2 days ago

Ah, I see. Yeah, that makes more sense and I don't have an answer for your question then. I suspect it wouldn't really work due to long reproductive cycles and extremely limited total food supply.