Author

Hanna Kim

Hanna Kim

Hanna Kim is a fourth-year medical student at the University of Arizona College of Medicine – Phoenix. She appreciates writing for its powerful ability to heal and enjoys exploring the intersection of medicine and patient storytelling. Outside of studying and clinical rotations, Hanna loves getting creative in the kitchen—whether it’s testing new recipes for a fun gathering or perfecting her meal prep skills—and exploring Arizona’s beautiful hiking trails (when it's below 100 F!). She welcomes connections and can be reached at hannakim1@arizona.edu.

Science March 31, 2026

Replacing the Powerhouse

Hanna Kim
“Mitochondria—the powerhouse of the cell.” It’s almost a reflex. Say the word, and a chorus of voices answers back with the same rehearsed phrase, learned sometime between middle school biology and standardized exams. From a molecular forensic science...
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