How does a planarian know what to regrow, and when to stop? In this episode of People, Parasites & Plagues, we sit down with Dr. Rachel Roberts-Galbraith from UGA's Regenerative Bioscience Center to explore the remarkable biology that allows planarians to regenerate missing parts of their bodies.

We dive into how these tiny organisms repair wounds, rebuild complex tissues, and coordinate the cellular signals needed to restore the right structures in the right places. Along the way, we discuss what planarians can teach researchers about stem cells, tissue organization, and the fundamental biology behind regeneration.

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