People in the UK are being advised to put bowls of salt on their windowsills this winter to combat damp and mold, but is it really effective? The rest of this article is behind a paywall. Please sign in or subscribe to access the full content.

When water vapor in your home or vehicle hits a cold surface, such as your windows, it changes back into a liquid state, creating condensation.

"Condensation is not a matter of one particular temperature but of a difference between two temperatures: the air temperature and the dewpoint temperature," the National Oceanic and Atmospheric Administration (NOAA) explains . "The dew point is the temperature at which dew can form – it is the point at which air becomes saturated and can not hold any more water vapor. Any additional cooling causes water v

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