As the National Health Service turns 70 on the 5th July Susan Morrison celebrates the achievements of one group of determined, gritty nurses who, for 35 years before 1948, .and regardless of hour, weather conditions or remoteness, cared for patients in the Highlands and Islands of Scotland. Their incredible work would influence the NHS as we know it today.

Plus, a literary treasure trove high in the Lowther Hills - Time Travels explores the oldest subscription library in the UK which was also the world's first library for working people. In our regular World War One at Home series, we hear the story of Aberdeen surgeon, Sir Henry Gray who successfully tackled one of the greatest killers of the war - compound fractures of the thigh bone . And we take a trip to Aberdeenshire to hear the story of Mary Elphinstone who was buried, not once, but twice, in an Inverurie graveyard! Show less