Mystery Hour: Inventing the suit, babies' heartbeats & painting proficiency

Time for another instalment of Mystery Hour, the feature in which James O'Brien and his callers do their best to solve the world's greatest mysteries... or thereabouts. Enjoy!

James' live LBC programme and the James O'Brien Daily podcast are back from the 5th January. Have a very merry Christmas and a happy New Year!

This episode was recorded on the 20th of November.