TOO MANY TO COUNT: More than 111 million mice and rats are tortured in U.S. labs
DAVID GRIMM: The most numerous mammals in U.S. research are also the most invisible. Mice and rats comprise the vast majority of lab mammals, yet no one knows exactly — or even approximately — how many are used in scientific experiments every year. Now, for the first time, someone has attempted to calculate this number … Continue reading TOO MANY TO COUNT: More than 111 million mice and rats are tortured in U.S. labs
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