When soda companies add carbon dioxide gas to a soda mixture, the water is very cold so it can hold a lot of gas. They also use pressure to put more gas in the water than it could normally hold at ...

There's nothing like a good old-fashioned root beer. More full-bodied and flavorful than your other run-of-the-mill soda pops, the best root beer brands make a one-of-a-kind beverage that's frothy ...