The Language of the Dothraki

In my constant search for news about HBO's upcoming Game of Thrones series, I came across this article in Scientific American about the creation of the Dorthraki (a race of horse-riding, war-prone nomads in the novels) language.  This may be more interesting to me because I'm an English professor and a word nerd, but check it out and let us know what you think.

The Dothraki response to a call for science in a created language