In this episode, we sit down with Dr. Sandra Pinho, Assistant Professor in the Department of Pharmacology and Regenerative Medicine at the University of Chicago, to explore the fascinating intersection of stem cell biology, aging, and the bone marrow niche. From her early days studying biology in Portugal to groundbreaking research in London and New York, Dr. Pinho shares her scientific journey and the mentors who shaped her career. In a conversation that begins with Halloween monsters and ends with cutting-edge aging research, we uncover how megakaryocytes—cells best known for making platelets—play surprising roles in immune regulation and the aging process. Dr. Pinho discusses how changes in these cells can influence immune balance, contribute to age-related dysfunction, and even hint at new therapeutic strategies for healthy aging. Blending curiosity, science, and a touch of the spooky, this episode offers both personal insight and a deep dive into the hidden dynamics of our "spooky skeletons."