Study: Tingle of Carbonation Is Tasty, Too

From Live Science:

Fizzy beverages don't just tickle the tongue. They also rev up taste buds that can detect the drink's bubble-inducing carbon dioxide.

Though this discovery was made in mice, researchers say a rodent's sense of taste is similar to ours.

When a person, or mouse, devours a snack or downs a beverage, taste receptor cells on the tongue (which are clustered into taste buds) detect certain molecules in that food or drink. The receptor cells then send a message to the part of the brain involved in tasting.

Read more ....