Unbelievable but true facts: Immortal jellyfish
There is a species of jellyfish, called Turritopsis dohrnii or "immortal jellyfish," that can revert back to its juvenile form after reaching adulthood, effectively allowing it to live forever.
There is a species of jellyfish, called Turritopsis dohrnii or "immortal jellyfish," that can revert back to its juvenile form after reaching adulthood, effectively allowing it to live forever.