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Backward-aging jellyfish
A tiny variety of jellyfish known as Turritopsis doohmii, or more commonly, the immortal jellyfish, has found a way to cheat death by actually reversing its aging process, according to You do not have permission to view the full content of this post. Log in or register now.. If the jellyfish is injured or sick, it returns to its polyp stage over a three-day period, transforming its cells into a younger state that will eventually grow into adulthood all over again.
Ever-growing lobsters
There is a debate among the scientific community whether these red ocean dwellers are biologically immortal; a common cause of death is disease, not old age, and unlike other animals, lobsters grow and reproduce until they die. One lobster captured off the coast of Newfoundland was estimated to be 140 years old, but most males survive into their early 30s while females live an average of 54 years, according to You do not have permission to view the full content of this post. Log in or register now.. Fun fact: The bigger the lobster, the older it is.
Slow and steady really does win the race. Turtles have been known to live for centuries, and researches have found that their organs don’t seem to break down over time. You do not have permission to view the full content of this post. Log in or register now.reports that turtles might even be able to live indefinitely if they are able to avoid predators and disease.
Regenerating flatworms
These creepy crawlers, also known as planarian worms, are famous for their regeneration abilities, where a worm cut across or lengthwise can form two separate worms. This apparently limitless regeneration also applies to aging and damaged tissue, allowing the worms to cheat death indefinitely, according to a You do not have permission to view the full content of this post. Log in or register now. at the University of Nottingham.
Tough whales
Though not technically immortal, the bowhead whale is the oldest living mammal. According to You do not have permission to view the full content of this post. Log in or register now., several species of whales have been known to live for more than 70 years, though in the 1990s scientists discovered scars on the massive animals that had been made by weapons from the 1800s. The oldest known bowhead lived to be 211 years old.
