A Swansea University historian hopes to discover more about an ancient discipline which may have provided "the GPS system" of its day, 500 years ago. Dr Adam Mosley will study cosmography, a subject believed to combine geography, history and astronomy. He will also try to find out how it died out in around the 17th Century. The lecturer wants to discover more about its study and how strong its links were with the seafarers' art of navigating by the stars. The subject became popular around 500 years ago but died out and part of Dr Mosley's work will be to...