Story : In this first issue, an impressive report: cigarette smoke causes pollution to the lungs that is 100 times greater than that which leads to blocking traffic in the city. For Superquark, researchers from the National Cancer Institute in Milan have repeated the experiment that allows us to see what happens in a closed environment when someone lights up a cigarette, thus revealing the real damage caused by passive smoking, as Giovanni Carrada will explain. Alberto Angela will tell us the story and secrets of the long and careful restoration thanks to which Giotto's frescoes in the Scrovegni Chapel in Padua were brought back to their ancient splendor. A "behind the scenes" of a construction site capable of moving. Guests in the studio will be Salvatore Mannone and Gustavo Torreggiani, billiard champions. The champions of the green baize will talk about the passion, studies, techniques, and secrets of a game with precise rules that requires knowledge and a lot of concentration.