Hydra and its Secret of Immortality | The Wonderful World of Invertebrates

When we say the word "Hydra" we sometimes think of a multi-headed water monster from Greek mythology, but hydra is also the name of real animals! They are predatory and voracious polyps who, like the mythological Hydra, are very difficult to kill and can theoretically live forever. They hold the secret of eternal youth. While other living creatures on the planet age and die, hydras remain young forever, as they are able to regenerate their body cells. Let's learn more about these amazing animals!
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