When sushi met science.

• Position: FOOD - Brief article

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Was the pricey sushi being sold as white tuna the real deal? Two high school students decided to find out. Kate Stoeckle and Louisa Strauss, who both graduated this spring from Trinity School in New York, sent 60 seafood samples off to a tab for DNA fingerprinting. They found that 2 of the 4 restaurants and 6 of the 10 grocery stores they sampled in Manhattan had sold them mislabeled sushi. A piece of "white tuna" was really tilapia, a much cheaper fish. Seven pieces labeled "red snapper" turned out to be anything from Atlantic cod to...