Expiration dates are not actually tied to food safety at all, though that is how we think of them. Instead, they’re chosen by the manufacturer to indicate the date at which optimal flavor has passed. But that doesn’t mean your food is unsafe to eat. Here's the full breakdown on how it all works!
We live in a world inundated with water filters, I bet nearly everyone reading this has, at some point, owned a Brita filter or some other such product. But do you know what these filters do? Do you know what they remove?
Soap is a rather remarkable creation resulting from the mixture of two common materials. Though it seems odd to say, soap is a salt. Salts are the products of acid+base reactions, in this case the fatty acids contained in vegetable oils and the alkaline properties of lye. Sodium Hydroxide (now industrially produced and known as lye) was once collected and made from ashes and rainwater.