Answers about the Titan submersible's implosion are coming to light at an inquiry. Plus, the Help to Buy scheme is a main part of the Government's housing plan, but what kind of difference would it make (if it ever gets up)?  And we speak to workers who think they've found the secret to balancing adventure with their career.  Guests: Nicki Hutley, economist  Mike Brady, maritime history researcher, Oceanliner Designs Dr Libby Sander, Assistant Professor, Bond University