The species of jellyfish might the only animal in the world to have truly discovered the fountain of youth. There might be no natural limit to it's lifespan. They are able to bypass death since it is capabale of cycling from mature adult stage to an immature polyp stage and back again. Scientists say the hydrozoan jellyfish is the only known animal that can repeatedly turn back the hands of time and revert to its polyp state (its first stage of life).
The key lies in a process where one type of cell is transnformed into another type of cell. Other animals that can undergo this process but in a limited form are salamanders which can regrow limbs. The numbers of individuals are spiking and can now be found all over the globe rather than just in their native Caribbean waters. There is not much more to say than that-consider myself officially in awe.
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