成人快手

Tim Harford and the More or Less team examine more numbers in the news.

This week:

Claiming benefits has been described by the Chancellor as - for some - a "lifestyle choice". What does the evidence tell us about how incentives work in the welfare system?;

The numbers of some of Britain's best-loved birds are declining. Fast. Many think cats are to blame. Are they right?;

Why the Prime Minister's salary has become a convenient unit of measurement;

And we bring you the results of our mathematical attempt to level the playing field at this year's Great North Run half marathon.