The origin of human speech is obscure and may never been known with any exactness or certitude. However, language has been known to develop nearly spontaneously

The origin of human speech is obscure and may never been known with any exactness or certitude. However, language has been known to develop nearly spontaneously in human groups: http://www.telegraph.co.uk/news/worldnews/centralamericaandthecaribbean/nicaragua/1471947/Deaf-children-invent-a-new-sign-language.html http://www.telegraph.co.uk/news/worldnews/centralamericaandt...