More or Less: Behind the Stats - How old is your dog?

It's often said that one dog year equals seven human years. But is it true? Tim Harford and Ben Carter unveil the More or Less Dogulator. Plus, 15 distant relatives of England?s King Richard III are petitioning the High Court about where the king should be buried. Some reporting has implied that the famous 15 are almost the only descendants of Richard III who exist. But mathematician Rob Eastaway figures out how many other relatives of Richard III might actually be out there.

Start the Week - Music and the mind: Carrie Cracknell

On Start the Week Carrie Cracknell talks to Jonathan Freedland about her new production of Berg's opera, Wozzeck, and the descent of the central character into madness and despair. The pianist Jonathan Biss looks at whether Schumann's later music reflects the troubled state of his mind. The psychiatrist's diagnostic bible is to be updated later this month, and Tom Burns and Richard Bentall discuss the controversies that continue to dog the world of psychiatry. Producer: Katy Hickman.

More or Less: Behind the Stats - How much does the EU cost the UK? Plus, dog years

Tim Harford makes sense of the numbers being used in the political battle about the UK and its membership of the EU. And, he looks at whether it?s true that more war veterans kill themselves than die in combat ; why you could well be a descendant of Richard III; and what Margaret Thatcher?s funeral really cost. Plus, is it true that one dog year equals seven human years? Tim unveils the More or Less Dogulator.