A 2024 review investigated the ‘immortal jellyfish’ and found that it can reverse its life cycle through cellular reprogramming, revealing clues to biological rejuvenation that may also carry cancer risks in humans

The immortal jellyfish, known scientifically as Turritopsis dohrnii, possesses an extraordinary ability to reverse its life cycle when under stress. This fascinating process encompasses cellular transdifferentiation and alterations in gene activity. Researchers are delving into its DNA repair and telomere maintenance strategies. Although humans can also reprogram cells, such procedures carry associated cancer risks. Insights from this jellyfish could pave the way for innovative regenerative therapies targeting age-related ailments.