What is carbonation?

It’s so satisfying to pour a glass of sparkling water. All those tiny bubbles, popping in rapid succession, creating a soothing fizz. Sparkling drinks are also called carbonated beverages. But what is a carbonated beverage? Where do the bubbles come from? We asked food scientist Adam Johnson to explain.Got a question floating around in your brain? Send it to us at BrainsOn.org/contact, and we’ll make sure an answer pops up!