What can we learn from studying poop? Who better to ask than Dr. Poop! Rachel Santymire, Ph.D., is director of Lincoln Park Zoo’s Davee Center for Epidemiology and Endocrinology, and she's earned her Dr. Poop nickname by studying the physiology of animals using biomaterials like poop! On this episode of The Show About Science, Nate visits her lab at the Lincoln Park Zoo in Chicago to learn more.

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