Plot: It was April 14, 1912, when the Titanic, the largest passenger ship ever built by man, collided with an iceberg and sank, during its maiden voyage, on the route between Southampton and New York, causing the death of over fifteen hundred people including passengers and crew members. Alberto and Piero Angela dedicate a special episode of Ulisse, il piacere della scoperta, to the centenary of the greatest naval tragedy that has ever occurred