translation.en: The most interesting discovery of late, I think is the so-called immortal jellyfish, which has actually been observed in the lab to be able to be able to revert back to the polyp state after reaching full maturity.
translation.zh: 我觉得近来最有趣的发现 就是所谓的永生水母， 在实验室中观察到 它能够回复到水螅虫状态 在此之前历经了整个生命周期。