If you’ve ever climbed into your car on a cold or damp morning and found the windows fogged up, the seats feeling slightly clammy, or the interior smelling a little musty, you may have heard of a surprisingly simple trick: putting a glass of salt inside the car.
At first, it sounds almost too easy to be useful.
Salt? In a car?
But there is a little science behind the idea. Salt can help with moisture in certain circumstances, although it’s important to understand what it can—and cannot—do.
So before
