by Martha Barksdale
Of the more than 6,700 languages spoken in the world today, half are at risk of isappearing by the end of this century [source: UNESCO]. Every two weeks, the last living speaker of a language dies, taking the language with him [source: Living Tongues]. A small and declining number of speakers, as well as speakers who are older, point to an endangered language: When those speakers die, they leave no one to use the language. Linguists then consider this language dead, although if the tongue has been recorded, they may call it a "sleeping" language -- one that could be revived later.
To read the full article, click here.