Cambridge Union Society 2010-05-04 18:00: Cloning, Stem Cells and Regenerative Medicine: The World After Dolly (Professor Sir Ian Wilmut, Director of the Centre for Regenerative Medicine, University of Edinburgh) 2012-02-15 17:30: High Commissioner for Canada to the UK, Mr Gordon Campbell, to speak on 'Canada in a Changing World' (Mr. Gordon Campbell, High Commissioner for Canada to the UK) 2014-06-04 18:00: What is life? (Lee Cronin, University of Glasgow; Samir Okasha, University of Bristol; Lewis Dartnell, Space Research Centre, University of Leicester)