http://static.guim.co.uk/static/c55907932af8ee96c21b7d89a9ebeedb4602fbbf/common/images/logos/the-guardian/news.gifBy Lucy Jolin. Postgraduate study can boost your career and your earnings. But once you’ve left university and acquired a job, children and a mortgage, it’s also a big commitment in terms of time and funding – which is why part-time could be your best solution. More...