People in the United Kingdom are once again being urged to place bowls of salt in their windows this winter, in an attempt to prevent damp conditions and mold. But is that really good advice? 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 mor

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