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WS More or Less: Vaccines - The importance of the herd and social media

What proportion of a population needs to be vaccinated to stop a disease spreading?

• 11 mins

WS More or Less: Do Assassinations Work?

How likely are assassination attempts on heads of state to succeed?

• 8 mins

WS More or Less: When’s a Kilogram Not a Kilogram?

Updating the kilogram.

• 9 mins

WS More or Less: Are 90% of War Fatalities Civilians?

Xavier Zapata examines what the data tells us about the deadly impact of war on civilians

• 16 mins

WS More or Less: Sex and Heart Attacks

Are women more likely to die from a heart attack than men?

• 8 mins

WS More or Less: Dam Lies and Statistics

Are mega-dams really sustainable?

• 8 mins

WS More or Less: Mission Impossible - Quantifiying Santa

What to look out for on Christmas Eve.

• 8 mins

WS More or Less: Numbers of the Year Part 1

The numbers that made 2018.

• 8 mins

WS More or Less: Numbers of the Year Part 2

Helena Merriman with numbers about water shortage, plastic recycling and American jobs.

• 8 mins

Sugar, Outdoors Play and Planets

Tim Harford on sugar, train fares, children's outdoors play and Earth's closest neighbour

• 28 mins

WS More or Less: The Mathematics of Fever

We look at the numbers behind body temperature – what is normal?

• 10 mins

Intersex Numbers, Fact-Checking Facebook, Jack Bogle

Tim Harford asks whether 1.7% of people are intersex, and examines false claims about MPs

• 30 mins

WS More or Less: Close Encounters of a Planetary Kind

Which planet is closest to Earth?

• 9 mins

Domestic Violence, Jobs, Easter Snowfall

Tim Harford on domestic violence, employment numbers, and the chance of a white Easter.

• 23 mins

WS More or Less: Is Suicide Seasonal?

Tim Harford asks which times of the year are riskiest for suicide.

• 9 mins

Holocaust Deniers; Venezuelan Hyperinflation; Tinder Likes

Tim Harford on Holocaust deniers; food prices in Venezuela, and dating app statistics

• 28 mins

WS More or Less: You have 15,000 likes!

A listener doubts her popularity on the dating app Tinder. We investigate the numbers.

• 9 mins

Teen Suicide; Brexit Business Moves; Wood-Burner Pollution

Tim Harford finds untrue a recent report that there is a 'suicidal generation' of teens.

• 28 mins

WS More or Less: From the archives: Groundhogs and Kings

Assessing the accuracy of a Groundhog; How many English people have right royal relatives?

• 18 mins

Climate Change, Victorian Diseases, Alcohol

Tim Harford on climate change, Victorian diseases, maths mistakes and alcohol consumption

• 23 mins

WS More or Less: When maths mistakes really matter

Tim Harford talks to Matt Parker on how simple maths mistakes can cause big problems.

• 9 mins

How To Make Your Art Work More Valuable

Die, sell on a sunny day, place your work a third of the way through the auction.

• 9 mins

Insectageddon

Could insects go extinct in one hundred years?

• 12 mins

The gender gap in tech

Are women really less likely than men to be hired for jobs in tech?

• 9 mins

Day light saving time and heart attacks

Does the sudden loss of an hour of sleep raise the risk of having a heart attack?

• 8 mins

Is Mansa Musa the richest person of all time?

Is the West African king, Mansa Musa, the richest person who ever lived?

• 8 mins

Chess cheats and the GOAT

What a statistical analysis of chess moves can teach us about this ancient game.

• 10 mins

Rounding up the weed killer cancer conundrum

We examine the cancer-causing potential of the weed killer glyphosate

• 8 mins

Where is Scotland’s highest village?

A battle is brewing in the Southern Scottish uplands between two rival villages.

• 8 mins

The economic impact of mega sporting events

Major sports events and the benefits to the local economy.

• 8 mins