Before you pony up for red snapper, better dust off your DNA fingerprinting kit. This New York Times story reports on a couple of high-school students who tested 60 samples of fish sold at restaurants and found that a quarter of those were mislabeled -- generally as a much more expensive kind of seafood than what was actually being served. The article adds:

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In Science this week: swapping yeast genes with human orthologs to study conservation of function, and more.

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