In 1831, in his twenties and fresh out of university, Charles Darwin set sail aboard HMS Beagle on the expedition of a lifetime, into literally uncharted waters and a series of discoveries that would form the basis of his later pioneering work on the origin of species.\nJoin the Past Masters team as we delve into the Archives to find out where Darwin went, what life on the Beagle was like and to discover how the most exciting gap year in history went on to change the face of science.