3 “Immortal” Animals That Have Fascinated Scientists For Decades

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Scientists investigate these organisms to see if humans can slow down their aging.

From ancient myths to science fiction literature, our fascination with eternal youth is well documented.

But there are creatures that seem to have cracked the code to stop, or even reverse, aging, and they are very real.

They are, or we believe they may be, biologically immortal. This means that unless killed by a predator, disease, or drastic changes in their environment, they can live indefinitely.

Scientists are trying to unlock the secrets of these mysterious organisms to see if they can help us control our own aging process.