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1️⃣ Biological Immortality Exists There is a creature that can rewind its life. Not slow aging. Not regenerate. Actually reset. The jellyfish Turritopsis dohrnii can revert from an adult back into its juvenile polyp stage. Adult → polyp → new life. The process is called transdifferentiation. Its cells change identity. Its biological age resets. Genetic studies show enhanced protection of telomeres — the DNA “caps” that shorten as we age. In theory — it can avoid natural death.