Canned corn is sterilized during the canning process, which means all the bacteria and other microorganisms are killed off. This makes it super shelf-stable and safe to eat for a long time - as long as the can isn't damaged or compromised in some way. It's like a tiny, edible time capsule!
But, when you open canned corn, you're introducing air and moisture into the equation, which can make it go bad faster. That's why it's so important to store it in the fridge and use it within a few days - or you can always freeze it to make it last even longer! It's like a fun little science experiment in your kitchen!