The jellyfish that never dies
Did you know that there is a species of jellyfish that never dies? This species is called Turritopsis dohrnii, also known as the immortal jellyfish, and is one of the few creatures that are capable of reverting completely to the adolescent stage after going through adulthood. The fascinating Turritopsis dohrnii can be found worldwide in temperate to tropic waters.
Humans have a single organ that naturally regenerates
As you probably know, the liver is the only organ that can regenerate on its own. “The liver has a remarkable capacity to regenerate after injury and to adjust its size to match its host. Within a week after partial hepatectomy, which, in typical experimental settings entails surgical removal of two-thirds of the liver, hepatic mass is back essentially to what it was prior to surgery,” explained the researcher Richard Bowen.