The £2 million recently awarded to a whistleblower by a US court is a rare reward for the volunteers who trawl the scientific literature for error and fraud. Yet their numbers continue to grow. So what drives them? And can their efforts ever cleanse more than a drop in a troubled ocean? Jack Grove reports 

Many of the business schools that prop up universities, in both China and the West, are bankrolled by Chinese families’ ambition. But amid economic slowdown and a growing recognition of the limits of Western practices, the return on investment is now being questioned, as three academics explain