And while at first this might seem bizarre, it actually makes great sense, because when the machines begin whirring and spitting out paper towels, they sound exactly like screaming goats.

Represented by letters of the alphabet, they are the component sounds of spoken words. Most people automatically hear, for example, that the word "goat" is made up of three sounds: "guh," "oh ...

Three brother goats eat all the grass in the meadow and must cross a bridge to find more. Read more ...