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The Strange, Counterintuitive Properties of Water, Explained

Scientists have long sought to unravel the mysteries of water, and researchers at Stockholm University say the compound's odd behavior stems from its ability to exist in two, liquid states.

Illustration showing fluctuations between regions of two different local structures (high density as red and low density liquid as blue) of water that depend on temperature. Maxima in the thermodynamic response and correlation functions are observed as a function of temperature, when the numbers of molecules in the two structures become equal, resulting in strong enhancement in the anomalous properties of water in the deeply supercooled regime. | Stockholm University