Science
What is the Oldest Animal on Earth? – Mental Floss
Human have a pretty long lifespan, but it’s nothing compared to that of a deep sea sponge, one of the oldest animals on Earth….

Figuring out which animals are longest-lived is tricky, because some game the system. Immortal jellyfish, for example, clone themselves in their juvenile polyp stage, a phase to which they can return later in life. Its a jaw-dropping featbut is it the same…
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