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Connective Tissue

When Michael P. Nelson talks about his work, he mentions carcasses and cadavers to a startling degree — startling because Nelson is not a physician or a veterinarian or even a biologist. He’s a philosopher.

Ethical Evolution

Barely a century has passed since Louis Pasteur developed a vaccination for rabies. Since then, scientists have discovered treatments for some of the worst human scourges: smallpox, tuberculosis, polio and influenza. Much of their success can be traced to experiments on animals under circumstances that would shock us today.

The Ethic of Care

The three rats snoozing in Cage 57 don’t know it, but they could someday help save thousands of human lives.

“The Professor”

Nancy King’s law career has led her from the boardroom to the factory to the classroom.