Don Juan Pond is a mysterious lake in Antarctica that contains so much calcium chloride, it doesn't freeze in subzero temperatures. Don Juan Pond is a lake in Antarctica's extremely cold McMurdo Dry Valleys region that has a salinity above 40%, making it one of the saltiest bodies of water on Earth. The pond contains so much salt, it has a syrupy consistency that never freezes, e... [3215 chars]
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