You don't want to touch it with bare hands, but you may want to use it for keeping frozen foods from thawing. Dry ice is available for purchase at many grocers, as well as at retailers like Walmart.

You can put the dry ice on the top shelf of your freezer and the bottom shelf of your refrigerator, and it will keep your perishables cold. You need about 3 pounds of dry ice per cubic foot of ...

If your tubs of ice cream keep falling victim to pesky freezer burn, this hack is for you. Here's how to store your frozen ...