Explore a thought-provoking public lecture on the intersection of physics and healthcare transformation. Delve into the critical question of who truly saves the most lives, comparing heroic individuals to systemic innovations. Examine the startling statistics on preventable medical errors and the challenges of implementing known solutions. Investigate the scientific inquiries necessary to facilitate a cultural shift in medicine, including the physics of social systems, diffusion of innovations, and adoption of recommendations. Gain insights into novel approaches like infection models and threshold models, and their potential impact on healthcare outcomes. Recorded on February 11, 2014, this 70-minute talk by Luis Amaral at the Santa Fe Institute challenges conventional thinking and offers a unique perspective on improving healthcare through the lens of physics and complex systems.