Darwin College: Schlumberger, and non-stipendiary, Research Fellowships; tenure: from 1 October 2014; closing date: 28 November 2013; further particulars: College Registrar, Janet Gibson, Darwin College, Cambridge, CB3 9EU (email: jg323@cam.ac.uk), or http://www.darwin.cam.ac.uk/researchfellows/ vacancies/index.shtml