also, iirc sponges live forever (well, as long as they have clean water and food supply)... so could sharks?
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No multicellular animal can live forever if the cells need to preserve differentiation. Cell with different phenotype but the same DNA need to store complex state beyond the DNA, and that gets fragmented like a hard drive over time.
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Yes, but we leave the healthy and young one in the past and take the older and sicker one with us into the future. It is probably necessary for propulsion in time :)
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see, it's a simple sign problem somewhere in conditional statement, any competent coder could fix it in no time
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how can unicellular organism age? if their cells would accumulate defects, they would all be gone 4 billions of years ago
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sharks also do not need dentists, since they have infinite teeth supply. could we have at least that?
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sometimes I think that if we had unlimited life spans, we would be even more terrified to die
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same as I'd like to see with humans, I'd love to be able to throw away some kilos of old damaged flesh once in a while
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