The Royal Navy’s new aircraft carrier HMS Queen Elizabeth cost in the region of £3bn to build. How does that compare, in relative terms, with other great warships of the past – HMS Dreadnought, HMS Victory etc? Peter Clark, Leeds
When a film or TV programme calls for a crying baby or child, how do they ensure that the child complies? Do they wait for the child to cry for a random reason or is there someone on set whose job it is to make babies cry? George Connelly, Melton Mowbray, Leicestershire Send questions and answers to firstname.lastname@example.org or online at theguardian.com/ lifeandstyle/series/ notes-and-queries. Please include name, address and phone number.
It’s going to get biblical … Russell Crowe in Noah