Collapsing Empire's Journal: European Genetic Clusters

From the Gene Expression Blog:

http://www.gnxp.com/blog/uploaded_images/PC2-721839.jpg

Northern Europeans make up a pretty tight cluster (Irish, German, British, Scandinavian, Dutch) and the Southern Europeans (Spanish, Greek, Italian) make up a more loosely defined cluster, and finally, Ashkenazi Jews make up a *very* tightly knit cluster of their own. Interesting.