This truly incredible new science series is both fascinating and moving. Surgeon Gabriel Weston has travelled around the wold to uncover the world's most unique bodies. These extraordinary cases have led to new discoveries about the human body and medical cures of the future. In tonight’s episode, we meet a seven-year-old Russian girl whose heart has formed outside her ribcage as well as a man who can spend nine minutes underwater without taking a breath, a woman who is growing a second skeleton where there should be muscle, and a paralysed man who is regaining movement thanks to a chip implanted into his brain.