What would become of our many different cultures? others argue. Certainly the world would be a much less interesting place, they add. Indeed, there is serious concern, on the part of language experts, that many languages are disappearing. In some parts of the world, only a few people are left who can speak their native tongue. In Ireland, for example, there are only a few small areas where people speak Gaelic, the native Irish language. One expert says that half of the world´s languages are dying because children are no longer learning them.