When Vicky Blake embarked on her PhD at Durham University eight years ago, she believed it was the beginning of an exciting research career. Now, as part of the silently growing army of teaching staff paid by the hour in British universities, she is beginning to wonder at what stage she should walk away.
"I feel I owe it to myself to try, because I've invested so much in this. But I am 30 years old and I can't keep existing on a month-to-month basis," she says. "I have to put a time limit on how long I can hold out for a proper research job, and I think that's really sad."
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