Re: Origins of Indo-European, and naturalness of laryngeals

> If the languages go back to a common ancestor in Africa, I wonder
> why it is that Indo-European had laryngeals and the Semitic
> languages have so many guttural sounds.

Based on what you postulate a common african language "mother of all
languages"?

It's the first time that I hear the "out of Africa theory" applied to a
lingvistic perspective...
Marius