Did French economist Thomas Piketty get his numbers wrong? Read more
now playing
The Piketty Affair
Did French economist Thomas Piketty get his numbers wrong?
What Is Scottish Independence Worth?
What will the referendum result mean for Scots' wallets?
Faith and Charity?
Is there a link between practising a religion and donating to charity?
Student Loans
Tim Harford examines why the cost of the government's new student loan system is rising.
Troubled families?
Tim Harford discusses so-called 'troubled families', CEO pay and the Gaza conflict.
How Deadly Is Ebola?
Tim Harford scrutinises claims made about the outbreak. Plus guide dogs, prisons and ATOS.
To ice or not to ice?
Should we be more choosy about who benefits when we do a viral charity challenge?
Understanding the Scottish referendum polls
Tim Harford talks to YouGov and ICM about trying to gauge the political mood in Scotland.
Kidney donation: the chance of finding a match
Tim Harford on kidney donation, charity-giving, Huntrodds' Day, ants and tiny countries.
The Barnett Formula
Tim Harford explains the Barnett Formula and asks why it is so maligned.
Numbers of the Year 2014
Tim Harford and guests look back at some of the weird and wonderful numbers of 2014.
A&E Waiting Times
Including NHS target data, bad luck and cancer, and statistics that are true and unfair.
How big are the Conservatives' planned cuts?
Post-election spending, terrorism victims, Nigeria death toll and the worst board games.
Is Anti-Semitism Widespread in the UK?
Tim Harford asks if the majority of hate crime in the UK is directed against Jewish people
Cameron's 1000 Jobs
The Conservatives' employment claims, milk, teachers, dating and pregnancy due dates.
Is Strenuous Jogging Bad for You?
Tim Harford looks at claims that keen runners might be damaging their health.
Polls, Nuns, Life Partners
Is the number of Catholic nuns on the up? And Tim Harford explores polling data.
Election and Adultery Special
Tim Harford and a panel of experts discuss how pre-election polls tallied with the results
Strokes, Teachers, Confused Computers
Are strokes among working-age people on the rise? Presented by Tim Harford.
Women Drink Driving
Tim Harford asks whether there really is a problem with women drink driving.
Seven-day NHS
Tim Harford asks if people admitted to hospital at weekends are more likely to die.
World Cup Migrant Deaths
Tim Harford asks if the World Cup is really responsible for migrant deaths in Qatar.
Obesity Projections, Global Footprint, Street Value of Drugs
Tim Harford looks at how recent obesity projections were calculated.
Greece Special
Tim Harford looks at the numbers to tell the story of the Greek crisis.
Migrant Crisis
A 'swarm' of migrants heading for Europe? Are the numbers really up?
Soaring diabetes - is there some good news?
Diabetes cases are soaring, but is this down to new diagnoses? Tim Harford investigates.
China Stock Market Crash
The Chinese markets may have crashed but was it really Black Monday? With Tim Harford.
Fit for Work or at Death's Door?
Are people dying after being declared 'fit for work' by the government? With Tim Harford.
Is it worth targeting non-voters?
Can the left rely on non-voters to get them into power? Tim Harford looks at the numbers.
Striking Numbers?
Tim Harford asks are strikes on the rise, rugby players bigger and sea life in decline?
Dementia, Psychology science, John Conway, Red cards, Decimate
Tim Harford asks whether one in three people born in the UK this year will get dementia.