www.alphadictionary.com

The New York Times has an article about a paper suggesting ancestors of people speaking languages in the Na-Dene family were trapped in Beringia for thousands of years.

The NYTimes article is here
http://www.nytimes.com/2014/03/13/scien ... ef=science
and the PLOS ONE publication is here
http://www.plosone.org/article/info%3Ad ... ne.0091722

Of interest is the authors' use of phonological and morphological features to identify relationships instead of lexical cognates.

Interesting theory. I wonder how it is that no one had thought of comparing language structures instead of just vocabulary.

I learned a new word, too: refugium.