What would we be without mucus? Can we live on water? How much does life weigh? Finding out the answers is the aim of ARTE's new science show. In a nod to Douglas Adams's "Hitchhiker's Guide to the Galaxy", where the figure 42 is the ultimate answer to all questions, 42 tries to provide the answers.

Cast:Nora Tschirner,

Genre:Documentary,

country:Germany, France,

Production:mobyDOK, ARTE, BR,