Everyone uses a car horn, but did you know the meaning of that honk can vary wildly depending on where you are? According to research on non-verbal communication, in countries such as India and Italy, ...

You'll find air horns with keyboards that let you play your own tunes, air horns that play "La Marseillaise" or "Somewhere My Love," cattle-caller horns, several types of "Ahh-OOO-Gah" klaxons, ...

Picture this scenario: there is an obstruction on the road while you are driving, and then you press the horn to signal other motorists and pedestrians to realize that it sounds faint and weak. It can ...