The numbers in the news. Tim Harford asks if the World Cup is responsible for migrant deaths in Qatar and discusses whether there is really a problem with the HPV vaccine.

Qatar migrant worker deaths.

Is the World Cup really responsible for the deaths of 1200 migrant workers in Qatar? We talk to the International Trade Unions Confederation who first published the figure.

The Independent on Sunday had a front page splash this week making a link between the HPV vaccine and one girls serious illness. They article also says that the number of cases of serious side-effects from the HPV vaccine being reported to the MHRA are much higher compared to other vaccines. The Independent have defended their journalism but we have spoken to a doctor who says the article cherry picks data and should be withdrawn.

We tell the story behind the chocolate experiment designed to deliberately fool the press.

And we solve the fiendish GCSE question that perplexed students so much it became a trend on Twitter.