Story : For the opening documentary of the fourth episode of Superquark, of the BBC Human Planet series: Oceans. The oceans support most of the species on Earth, although humans are not among them, because they cannot drink or breathe salt water. However, they have never stopped using it to their advantage: swimming, fishing, surfing, traveling on the oceans. More than a third of the population lives on the coasts of the ocean and some populations are deeply dependent on it for their subsistence, such as the fishermen of Southeast Asia or the Brazilian lagoon. But the ocean is a capricious mistress: sometimes the height of beauty and calm, other times the deepest terror.Hof ways. But the ocean is a capricious mistress, bountiful one moment and terrifyingly deadly the next. There is a kind of large safe, perhaps more precious than the one that holds the gold of the Bank of Italy.