Of Men and Mice

At any given time, millions of lab mice are being used in research facilities nationwide. And yet nearly all of them can be connected back to a single source: The Jackson Laboratory in Bar Harbor, Maine, where the modern lab mouse was invented.

What started as a research project aimed at understanding heredity is now a global business. Research on lab mice has led to more than two dozen Nobel prizes, helped save countless human lives, and has pushed science and medicine to new heights. But behind it all is a cost that’s rarely discussed outside of...