More and More Milk

Daughters born to a bull that was himself born in 1962 produced so much milk that this bull, called Pawnee Farm Arlinda Chief, has millions of descendants, but along with that increase in milk production came a hidden lethal mutation, the Atlantic reports.

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The Jackson Laboratory has filed a complaint accusing Nanjing University of breeding and re-selling its mouse models, the Hartford Courant reports.

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