We will investigate a massacre that occurred more than a thousand years ago: at the crime scene we will find clues that explain the end of the ancient Mayan civilization. 18 July 64 AD: that day, in imperial Rome, hell broke loose. Why did Rome burn? Who are the real culprits? Was Nerone, the most famous emperor in history, really a bloodthirsty madman? Appointment with the genius of Leonardo the painter: the curious arm of the Madonna of the Annunciation. Is it a proportion error? Journey into the world of water: we will follow the little big story of a drop of water. we will go to the province of Ravenna where a group of volunteers has brought to light dozens of planes from the Second World War.