Science: Mouse Hunt

All over the U.S. last week scientists were hunting mice. The search was on for brown mice, white mice, yellow mice, mice with hairless skins and mice with peculiar, deformed tails. The leading U.S. mouse pool had been destroyed.

When the Roscoe B. Jackson Memorial Laboratory at Bar Harbor, Me., was gutted by forest fire three weeks ago (TIME, Nov. 3), some 90,000 pedigreed breeding mice were caught in the flames. They represented 30 carefully bred strains, each with special qualities. Some were valuable because they were susceptible to polio, others were prone to...

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