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Forecasting rain, teabags and voter ID trials

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

• 23 mins

WS More or Less: Australia Calling

Do one in seven businessmen throw out their underwear after wearing them once?

• 11 mins

The High Street, Home Births and Harry Potter Wizardry

Is WH Smith really the worst shop on the High Street?

• 20 mins

Counting Rough Sleepers

How do you count the number of people sleeping rough?

• 12 mins

Infant Mortality, How to Reduce Exam Revision With Maths, London’s Murder Rate

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

• 24 mins

WS More or Less: How Many Animals are Born Every Day?

From penguins to nematodes - is it possible to count how many animals are born every day?

• 15 mins

FIFA World Cup Extravaganza

How the ‘beautiful game’ has changed…through numbers.

• 8 mins

How many words do you need to speak a language?

How many words do you need to speak a language and how many do native speakers use?

• 8 mins

Running at the World Cup

Is it strange that Russian football players have run such big distances?

• 10 mins

Are there more stars than grains of beach sand?

Stars vs Sand. We work out who wins the ultimate cosmic battle.

• 8 mins

How to Cycle Really Fast

How much better are the pros than the rest of us and how effective is slipstreaming?

• 8 mins

Should we have smaller families to save the planet?

Having one fewer child could be the biggest thing you do to reduce your carbon footprint

• 10 mins

Getting Creative with Statistics

How big are your testicles and what does that mean?

• 8 mins

Carbs, Sugar and the Truth

Does a baked potato contain the equivalent of 19 cubes of sugar?

• 8 mins

BONUS PODCAST: Economics with Subtitles - How Buying Cocaine Helps the Government

The surprising story of GDP and whether it's time to change how we measure our economy

• 28 mins

Numbers Behind a Tweetstorm

How do you get a hashtag to trend around the world?

• 8 mins

BONUS PODCAST: Economics with Subtitles - Bracelets for Bullets

Why an Essex mum wanted her jewellery melted down and what it says about government debt

• 28 mins

WS More or Less: Are Wildfires Really Burning More Land?

Are Wildfires in the United States and Southern Europe burning more land than before?

• 8 mins

BONUS PODCAST: Economics with Subtitles - How Condoms Can Cost a Week’s Wages

Inflation can change your sex life – and pretty much everything else.

• 27 mins

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

What would have been the most efficient way to get to Mordor?

• 24 mins

WS: More or Less - Automated fact-checking

Computer programmes are being developed to combat fake news.

• 8 mins

BONUS PODCAST: Economics with Subtitles - Coffins Full of Car Keys

Why we have interest rates, how we misunderstand them - and a curious coffin connection.

• 28 mins

African Trade Tariffs; Alcohol Safe Limits; President Trump's Popularity

Tim Harford fact checks EU trade deals with Africa, and whether one drink is one too many

• 23 mins

WS: More or Less - How well do you understand your world?

Tim Harford talks to Bobby Duffy about why we are often wrong about a lot of basic facts

• 8 mins

Heart Age Calculator; Danish Sperm Imports; Counting Goats

Tim Harford questions the usefulness of a popular heart age calculator.

• 23 mins

WS More or Less: The Safest Car in the World?

A listener asks whether his Volvo is the safest car on the road?

• 9 mins

Male suicide, school ratings, are female tennis players treated unfairly by umpires?

Tim Harford with statistics on suicide, good schools and sexism in tennis. Plus goats

• 24 mins

WS More or Less: DNA - Are You More Chimp or Neanderthal?

What is the difference between 96% similarity or sharing 20% of our DNA?

• 9 mins

How Many Schoolchildren are Carers? Shareholder Income, and Museum Visitors Vs Football Fans

Tim Harford on child carers, shareholder income, football vs museums and dangerous sports

• 25 mins

WS More or Less: Trump and the Puerto Rico Death Toll

How can we calculate excess mortality after a natural disaster?

• 8 mins