In this episode of "Ulisse, il piacere della scoperta", Alberto Angela takes us on a journey to the limits of what the human body can do. Let's try to understand if there are, and where they are, the limits of our organism. We meet extraordinary people, capable of incredible feats, and the researchers who study to understand how they do it. But we also meet those who experience the challenge of overcoming a limitation of the body every day, and we discover some of the technological solutions being worked on to allow the body to recover lost functions. This journey, however, has a peculiarity: Alberto Angela takes us by the hand towards the goals that human beings can achieve today, also keeping an eye on what our species has always dreamed of doing and which it thought was only possible for superior creatures, like gods and heroes of antiquity.