Comment Comment by thereisnoself I don't think it makes sense for a humanoid species, but silicon based, perhaps? Iain M Banks' The Algebraist [0] has a near immortal species called Dwellers that manage it somehow :)[0] https://en.wikipedia.org/wiki/The_Algebraist#:~:text=Dweller.... parent thereisnoself 2 years ago
[0] https://en.wikipedia.org/wiki/The_Algebraist#:~:text=Dweller....