What makes a doctorate worth several years of someone's life? Reflections on intellectual direction, the research environment, funding and choosing between a PhD and other routes into research.

What should happen when a student asks for an experiment to be fixed? A practical account of clarifying the problem, choosing an informative test and giving the student's reasoning a greater role in supervision.

Reflections on PhD supervision, independence and scientific judgement when AI can complete more of the routine work.