Apply principal component analysis to human DNA, and not only does race pop out, it even coincides with the 'socially constructed' categories [1,2,3]. A 2009 survey of physical anthropologists in Europe by Katarzyna Kaszycka found that 51% (N=123) recognize biological race - 33% in Western Europe, and 70% in Eastern Europe [4]. In a review of China's only biological anthropological journal Acta Anthropologica Sinica, 324 article from the 1982-2001 period that dealt with human variation. The researchers found that "all of the articles used the race concept and none of them questioned its value" [5].
