Which can opener is best? As long as they are stored in a cool, clean and dry location and the cans are not dented, rusted or swollen, most canned foods will last for years — at least two, maybe as ...

Regardless of your upbringing, chances are, if you saw someone opening a can of food with a chisel and a hammer, you’d at least raise your eyebrows. But for a good chunk of human history, opening cans ...