Deep in the back of many refrigerators sits a small orange box with one of the top corners torn off—or, in some cases, a bowl of white powder. That, of course, is (probably) baking soda, and it was ...

Ah, baking soda. That little box stored in your pantry, usually relegated to the occasional cookie recipe or a fridge deodorizing duty. But let me tell you, this humble white powder has a secret life ...