Turritopsis dohrnii has the ability to turn back into a baby jellyfish and grow up all over again Revealed: the top ten invertebrates of the year Immortality is generally considered the realm of the gods or science fiction, a fantasy that’s actively pursued by tech entrepreneurs in macabre experi...
Source: [Guardian International](https://www.theguardian.com/environment/2026/aug/04/when-you-kill-it-it-doesnt-die-the-jellyfish-that-has-cracked-the-secret-of-immortality)