A decent article on small scale evolutionary changes in human populations in the Washington Post.
More detail and an actual Synopsis or pointer to the papers - PLoS Bio and here in Science (subscription) would have been nice.
PS as The Loom notes, the QT movie accompanying the piece is moronic and misleading.
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If you happen to be a yeast population geneticist, then you probably already know about the Saccharomyces Genome Resequencing Project. They have resequenced 32 strains of S. cerevisiae and 27 strains of S.
Singapore is a racially diverse society, so there's a natural pool of diversity from which one can draw for study of human variation.
I don't have time to comment in detail, but I thought I'd give readers a heads up, there is a preprint in The American Journal of Human Genetics which confirms that a few