Tim Harford inspects the claims the UK Treasury and the Scottish government make about the economics of an independent Scotland; tests Ryanair's claim that more than 90% of its flights land on time; re-runs the Eurovision song contest , excluding the votes of the former Soviet countries to test whether political alliances are affecting the final results; discovers that millions of scientific papers may be incorrect; and learns more about dog years - and cat years.

Presenter: Tim Harford
Producer: Ruth Alexander. Show less