This time the Superquark Documentary is by David Attenbourgh, the famous documentary maker who has been making some of the best BBC programs for decades. With him we will discover the secret world of plants: plants seem still, unable to defend themselves, to communicate with each other: but research is showing us that they can actually do truly surprising things. With Alberto Angela in a surprising Roman Assisi. Under the town square are the remains of the ancient Roman Forum. For Come si fa in studio con Piero Angela the neuroscientist Piergiorgio Strata, will talk about oxytocin and ... fidelity. Is it possible that music taught to young children stimulates their brain in a particular way? Some research seems to indicate that the effects of music learned as children are still visible in adults and even in the elderly. Lorenzo Pinna went to the United States to follow this research on music and the brain.