World Jellyfish Day 2025: This small jellyfish, present on Earth for billions of years, reminds us that death is not the end, it can also be changed. Learn the secrets of jellyfish science.
What if you see a being who never ages, who cannot be touched by death and who can return to his childhood if he wishes? Sounds like science fiction, doesn’t it? But this is not a story, but the truth about this small sea creature named Immortal Jellyfish (Turritopsis dohrnii). World Jellyfish Day, celebrated every year on 3 November, is celebrated for this mysterious species. While humans spend lakhs of rupees on skin care, supplements and anti-aging products to prevent ageing, this small jellyfish makes itself young again without any expensive products.
Immortal Jellyfish resets itself
The most unique feature of this jellyfish is that it transforms itself into its initial stage (Polyp Stage) before dying. That is, as if someone has put a reset button inside it. When it senses any danger, injury or old age, it changes itself and returns to its early childhood form and starts a new cycle of life from there. This process is called Transdifferentiation. In this the cells of its body change their identity and function. Old, aged cells are transformed into new, active and healthy cells. This is the reason why it is called the immortal creature of the world.
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How do jellyfish achieve immortality?
Generally, the cells of any organism gradually die as they grow old. But this jellyfish has an amazing biological ability which does not allow its cells to die, but regenerates them. When it feels threatened or gets hurt, its body goes into reverse mode. Its cells change their functioning like a skin cell changes itself into a muscle cell. With this it rebuilds the entire body and starts a new cycle of life. In the language of science, it is called Biological Rebirth and this process is considered to be the biggest indication for anti-aging research of humans.
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So will jellyfish never die?
Now the question arises that if it is immortal, can it never die? So the answer is that she can die, but not from old age. This jellyfish may die from predators, marine pollution or changes in temperature, but natural aging never kills it. That is, it never ends with increasing age, rather it gives itself a new birth every time. Deep research is going on in the world on this organism. Its DNA, cell division and recovery power can prove to be the key to increasing the lifespan of humans. It also teaches us that the immortality of life has to be learned from nature, not from machines.