Christmas Quiz

Tim Harford poses a tough statistical challenge.

• 28 mins

Economics of Overbooking

Why airlines take a bet that you won't show for your flight.

• 26 mins

Living standards and Kate Bush maths

Are people's incomes falling? Plus singing Pi like Kate Bush.

• 28 mins

Fact-checking Boris Johnson

Giant bombs, a war hero and the foreign secretary's stats.

• 28 mins

Is Crime Rising?

It looks like homicides are on the rise - but better check the footnotes.

• 28 mins

Nurses' pay, Scottish seats, Penalty shootouts

Are nurses paid more than the national average? We take a look.

• 28 mins

Tax, speed dating and sea ice

Exploring the Labour manifesto's tax plans for high earners.

• 28 mins

Spies, care homes, and ending sneak peeks

Monitoring threats, chances of needing care plus who sees official stats first.

• 28 mins

Election Special: Tax, borders and climate

Who pays income tax, cutting migration and where in the UK is cold?

• 28 mins

Post-Election Special

The results of the general election are in - but what do they mean?

• 30 mins

A-Levels, Drowning, Dress sizes

Are boys getting more top A-Level grades than girls?

• 28 mins

Grenfell Tower's Death Toll

The difficulties of finding the true number of people who died in the fire.

• 28 mins

Electric cars, school-ready and feedback

Will we need more power stations? Plus, are children in Manchester ready for school?

• 28 mins

Are natural disasters on the rise?

Has the number of natural disasters really quadrupled in the last forty years?

• 28 mins

Statistics abuse, Tuition fees, Beer in 1887

Foreign secretary Boris Johnson is accused of misusing official statistics.

• 28 mins

Uber, EU passports, Counting domestic violence

Is Uber safe? The post Brexit dual nationality surge; measuring partner abuse.

• 28 mins

Missed appointments, Graduate pay, Cocaine on bank notes

Do missed appointments cost the NHS £1 billion? And do you always earn more with a degree?

• 28 mins

Gender pay gaps and how to learn a language

How much more are men paid than women? And how many words do you need to speak a language?

• 28 mins

A girl's first time, Shark's stomachs, Prime numbers

Challenging the claim that one in three girls' first sexual experience is rape.

• 28 mins

Transgender numbers, parkrun and snooker

How many transgender people are there in the UK? Plus a statistical take on parkruns.

• 28 mins

The Dow, Tampons, Parkrun part II

Why the biggest ever fall in the Dow wasn't, and how much do women spend on tampons?

• 28 mins

UN rape claims, Stalin, Mr Darcy

Back of the envelope calculations on rape, and how many died under Stalin?

• 28 mins

Straws, Women on boards, Animals born each day

Measuring plastic pollution, female FTSE directors and counting animal offspring.

• 26 mins

Cancer screening, the Windrush Generation, Audiograms

Calculating the benefits and risks of breast screening. Plus, patchy citizenship data.

• 28 mins

Abortion, Modern slavery, Math versus maths

The British abortion statistics gaining attention in Ireland's referendum debate.

• 28 mins

Child poverty, Progress 8, How green is grass?

Are more working families in poverty? Plus exploring the new school league tables.

• 28 mins

Forecasting rain, Teabags, Voter ID trials

How to read the weather forecast, plus measuring the amount of tea we drink.

• 28 mins

The high street, Home births, Harry Potter wizardry

Is WH Smith really the worst on the high street? Plus how safe is giving birth at home?

• 28 mins

How to Reduce Exam Revision with Maths, Infant Mortality, London's Murder Rate

Tim Harford explains how maths can help lazy students reduce their revision workload.

• 28 mins

A no-frills life, automated fact-checking, Lord of the Rings maths

Tim Harford on no-frills living, automated fact-checking and Lord of the Rings maths.

• 28 mins