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Cydney Grannan
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BIOGRAPHY

Cydney Grannan was an Editorial Intern at Encyclopædia Britannica. She received her B.A. in English from the University of Chicago in 2016.

Primary Contributions (36)
Salt stains
More than 20 million tons of salt are used every year to melt snow and ice in cold northern regions. But how does salt do it? First, it’s important to understand a bit about H2O in the winter. Thirty-two degrees Fahrenheit (0 degrees Celsius) is its freezing point—that is, when water reaches 32 °F,…
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