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The Rise of Delta

Where’s this new Variant spreading and what can be done to stop it?

• 8 mins

Breaking Climate Records

The odds and probability behind record-breaking temperatures

• 8 mins

Jab fears explained: a base rate fallacy

Why increasing Covid infections amongst the vaccinated isn’t necessarily bad news

• 8 mins

How good were the performances at the Tokyo Olympics?

What can the data tell us about the quality of the Covid hit games?

• 8 mins

The extraordinary life of Robert Moses

The life of mathematics educator and civil rights organiser, Dr Robert Moses

• 8 mins

Reason, numbers and Mr Spock

What role do numbers play in helping us think more rationally?

• 8 mins

Covid, HGV driver shortages and protest costs

Has Brexit caused a fall in lorry drivers? Plus policing Extinction Rebellion

• 28 mins

The Bill for Afghanistan

Did the war in Afghanistan cost the US $2 trillion?

• 8 mins

Vaccine waning, hot dogs and Afghanistan

How worried should we be about antibodies? Plus food that shortens life.

• 27 mins

Death, Tax and Dishwashers

Why is estimating the number of unvaccinated people so tricky? And how deadly is 2021?

• 27 mins

How many holes are there in a drinking straw?

Tim Harford talks to Jordan Ellenberg about the pandemic, geometry and drinking straws.

• 8 mins

Covid trends, face mask use, and the universal credit cut

A coronavirus check-in, our daily mask use measured, and the universal credit cut.

• 27 mins

Is it easy being green?

Expensive electricity, inadequate insulation, and a tale of tumbling trees.

• 29 mins

The Gender Pay Gap

Can Machiavelli help women get a better deal in the workplace?

• 8 mins

Twenty years of More or Less

A look back at our origins, plus the usual mix of numerical nous and statistical savvy.

• 27 mins

Bonus episode: the first ever More or Less

A chat with More or Less's founding producer and presenter plus the first episode in full

• 36 mins

The prize-winning economics of migration and the minimum wage

A look at the work of this year’s winners of the most prestigious prize in economics.

• 8 mins

The numbers behind Squid Game

Could you survive a round in Squid Game, and how many have watched it?

• 8 mins

The art of counting

Tim Harford talks to author Deborah Stone about her book which explores counting.

• 8 mins

Same data, opposite results. Can we trust research?

Why the same data can produce different conclusions.

• 8 mins

The carbon cost of breakfast at COP26

Can a vegan croissant really be worse for the environment than a bacon roll?

• 8 mins

A TikTok tale

How a well-meaning TikTok disrupted 4,600 studies

• 8 mins

Simpson’s Paradox: How to make vaccinated death figures misleading

A tricky statistical phenomenon at play.

• 8 mins

Does wearing a mask halve your chances of getting Covid-19?

Is it true wearing a mask reduces Covid-19 incidence by 53%?

• 8 mins

Does catching covid give you more immunity than being vaccinated?

Infection vs injection: Could prior infection provide 27 times more protection?

• 8 mins

The psychological economics of gift giving

How to buy gifts people actually want.

• 8 mins

Numbers of 2021

The most significant numbers of the year

• 8 mins

Will the population of Nigeria be larger than Europe’s?

Will Nigeria’s population really reach 600million?

• 8 mins

How much plastic is in the Ocean and can Mr Beast make a difference?

Looking at Mark Rober and Mr Beast’s plastics pledge.

• 8 mins

Omicron, pandemic birth rates and boosters

An Omicron update, pandemic birth rates and the booster drive.

• 27 mins