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Koalas

Have bushfires destroyed 80% of the koala habitat in Australia?

• 8 mins

The Simpsons and maths

We explore the maths secrets of The Simpsons on their 30th anniversary.

• 8 mins

Presidential candidates and dementia

The health risks some of the frontrunners in the US presidential race face

• 8 mins

C-sections and sharks

Hospital births in China and whether it鈥檚 true 50% are delivered by caesarean section

• 8 mins

Australian Animal Deaths, Carbon Emissions, Election Mystery

How many animals have died in Australia and how many Labour voters went Conservative?

• 34 mins

WS More or Less: Bushfire mystery

Have a billion animals died in Australia鈥檚 fires? And which ones are likely to survive?

• 9 mins

Weighing the Cost of Brexit

The cost of Brexit, alligator speed and Liverpool FC's luck

• 16 mins

WS More or Less: Japan鈥檚 99% Conviction Rate

Quantifying justice in Japan with Tim Harford.

• 8 mins

Netflix and Chill

The carbon consequence of streaming, stats on sepsis and stretching Bill Bryson to Pluto.

• 28 mins

WS More or Less: Dozy Science

How much sleep do we really need?

• 9 mins

Coronavirus, emotions and guns.

Fact checking claims about coronavirus and whether more guns equal fewer homicides.

• 28 mins

WS More or Less: Coronavirus

Fact checking claims about the spread of Coronavirus

• 8 mins

Tracking terror suspects

Costing counter-terrorism, interrogating tomatoes, the UK's reading age, politics and GDP

• 28 mins

WS More or Less: How fast are Alligators and Hippos?

Can alligators run at 50kmph? Join us in clocking alligators鈥� gaits.

• 10 mins

Coronavirus, jam, AI and tomatoes

Covid-19 stats, spreading jam far and wide, cooking with AI, and James Wong on vegetables

• 23 mins

WS More or Less: Coronavirus - The Numbers

An update on Covid-19 statistics, with Tim Harford.

• 8 mins

Artificial (not so) Intelligence

Is the problem with AI its lack of intelligence?

• 8 mins

More or Less: Superforecasting, wood burning stoves and the real story of Hidden Figures

Dipping into the archive for stories on the art of prediction and wood burner pollution

• 25 mins

Netflix vs the environment

Does watching 30 minutes of Netflix have the same carbon footprint as driving four miles?

• 8 mins

How much heat do you lose from your head?

Is it true that 40% of your body's heat loss comes from your head?

• 9 mins

The mystery of Iran鈥檚 coronavirus numbers

Does Iran have a lot more covid-19 cases that its figures suggest?

• 13 mins

Mitigation or Suppression: What鈥檚 best to tackle Coronavirus?

How statistical modelling can help us respond to the Coronavirus pandemic

• 9 mins

Coronavirus Special

The risks of Covid-19 for different age groups and what restrictions mean for the economy

• 27 mins

The Risk

Professor Sir David Spiegelhalter puts the risks of Covid-19 into perspective.

• 9 mins

Supermarket stockpiling, A-level results and Covid-19 gender disparity

Is the coronavirus pandemic having a different impact on men and women?

• 28 mins

Are more men dying from coronavirus?

Tim Harford and Ruth Alexander examine the statistics around the world.

• 8 mins

Coronavirus deaths, face masks and a potential baby boom

Is the coronavirus death count misleading because of delays in reporting?

• 27 mins

Should you wear a face mask?

Tim Harford looks at the debate over making your own Covid-19 protection.

• 8 mins

Superforecasting the Coronavirus

Can professional predictors help us understand the course of the coronavirus pandemic?

• 8 mins

Comparing countries, the risk to NHS staff, and birdsong

We compare Covid-19 rates around the world. When is the UK going to be past the worst?

• 27 mins