There Is a Jellyfish That Is Biologically Immortal
A tiny translucent jellyfish glowing with bioluminescence in deep dark water, with arrows showing its cyclical life stages
Turritopsis dohrnii, the 'immortal jellyfish,' can revert its cells back to their youngest form when sick or old through a process called transdifferentiation. It essentially restarts its life cycle, making it biologically immortal.
Why Itβs Interesting
It is the only known animal that can completely reverse its aging process. Scientists are studying its cellular mechanisms hoping to unlock insights into human aging and cancer, since both involve cells that refuse to follow normal life cycle rules.
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