12. Turritopsis dohrnii (Immortal Jellyfish)
Turritopsis dohrnii, famously dubbed the ‘immortal jellyfish’, can revert its adult cells back to a youthful state. This unique process of cellular rejuvenation confers an extraordinary resistance to both aging and cancer. Scientists are fascinated by how this jellyfish sidesteps cell damage and disease, hoping its biology will reveal new paths for treating age-related conditions and cancer in humans. Learn more about its fascinating life cycle.