The human body is invincible—at least from the perspective of modern medicinal innovation. Mary Roach, New York Times bestselling author of Stiff and Fuzz, follows the astonishing evolution of body part replacement, from sculpting noses from brass to crafting body parts from scratch using stem cells and 3-D printing.

While these advancements are miraculous lifesavers, it begs difficult bioethical questions: When and how does a person decide they’d be better off with a prosthetic than their existing limb? Can a donated heart be made to beat forever? Roach offers an insightful discussion and potential answers to these questions with her uniquely characteristic verve and infectious wit.

Join us for a fascinating conversation with Mary Roach as she investigates the moral, medical and metaphysical implications of remaking ourselves from the inside out. Are we on the verge of replacing the irreplaceable?