Dr. Leonard Zon, an acclaimed stem cell and cancer researcher from Harvard, discusses his groundbreaking work with zebrafish in cancer studies. He shares amusing anecdotes about transporting these fish and the unexpected chaos that ensued. The conversation covers the advantages of zebrafish as model organisms for understanding melanoma, especially concerning genetic mutations and innovative treatment strategies. Zon also emphasizes the future of stem cell applications in personalized medicine, enriching our understanding of cancer biology.