PicoZ

TIME

March 5, 1928 12:00 AM GMT-5

President Clarence Cook Little of the University of Michigan peered patiently at the caged mouse in his living room. It rummaged among the shavings for tidbits. It reared and looked Dr. Little in the eye. But it did not sing for him, as Professor Lee R. Dice had said it could. Professor Dice removed his mouse to his laboratory where it willingly trilled almost as chirpily as a canary and bred quite as prodigiously as any mouse. So that last week Professor Dice was able to exhibit a few of the descendants who likewise were trillers, apparently the Mendelian stock of a new breed.

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