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a freshwater polyp with a cylindrical body and tentacles
trouble that cannot be overcome by a single effort because of its many aspects or its persistent and pervasive quality
a long faint constellation in the southern hemisphere near the equator stretching between Virgo and Cancer
a mythical serpent-like creature in Greek mythology that has multiple heads, and if one head is cut off, two more will grow in its place
What is the "hydra"?
The hydra is a mythical creature from Greek mythology, often depicted as a serpent-like monster with multiple heads. According to legend, when one of its heads is cut off, two more grow in its place, making it extremely difficult to defeat. The hydra is best known from the story of Hercules, who had to kill it as one of his Twelve Labors. The creature is usually associated with destruction and chaos, symbolizing an overwhelming threat that seems to multiply when attacked.
