More or Less

BBC Radio 4

Tim Harford explains - and sometimes debunks - the numbers and statistics used in political debate, the news and everyday life.

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1,133 episodes
Updated Saturday

Episodes1133

Newest first

Mar 14, 2020 · 13 min
The mystery of Iran’s coronavirus numbers
Does Iran have a lot more covid-19 cases that its figures suggest?
Mar 9, 2020 · 9 min
How much heat do you lose from your head?
Is it true that 40% of your body's heat loss comes from your head?
Mar 7, 2020 · 9 min
How much heat do you lose from your head?
Is it true that 40% of your body's heat loss comes from your head?
Feb 29, 2020 · 8 min
Netflix vs the environment
Does watching 30 minutes of Netflix have the same carbon footprint as driving four miles?
Feb 28, 2020 · 25 min
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
Feb 22, 2020 · 8 min
Artificial (not so) Intelligence
Is the problem with AI its lack of intelligence?
Feb 15, 2020 · 8 min
WS More or Less: Coronavirus - The Numbers
An update on Covid-19 statistics, with Tim Harford.
Feb 14, 2020 · 23 min
Coronavirus, jam, AI and tomatoes
Covid-19 stats, spreading jam far and wide, cooking with AI, and James Wong on vegetables
Feb 8, 2020 · 10 min
WS More or Less: How fast are Alligators and Hippos?
Can alligators run at 50kmph? Join us in clocking alligators’ gaits.
Feb 7, 2020 · 28 min
Tracking terror suspects
Costing counter-terrorism, interrogating tomatoes, the UK's reading age, politics and GDP
Feb 1, 2020 · 8 min
WS More or Less: Coronavirus
Fact checking claims about the spread of Coronavirus
Jan 31, 2020 · 28 min
Coronavirus, emotions and guns.
Fact checking claims about coronavirus and whether more guns equal fewer homicides.
Jan 25, 2020 · 9 min
WS More or Less: Dozy Science
How much sleep do we really need?
Jan 24, 2020 · 28 min
Netflix and Chill
The carbon consequence of streaming, stats on sepsis and stretching Bill Bryson to Pluto.
Jan 18, 2020 · 8 min
WS More or Less: Japan’s 99% Conviction Rate
Quantifying justice in Japan with Tim Harford.
Jan 17, 2020 · 16 min
Weighing the Cost of Brexit
The cost of Brexit, alligator speed and Liverpool FC's luck
Jan 11, 2020 · 9 min
WS More or Less: Bushfire mystery
Have a billion animals died in Australia’s fires? And which ones are likely to survive?
Jan 10, 2020 · 34 min
Australian Animal Deaths, Carbon Emissions, Election Mystery
How many animals have died in Australia and how many Labour voters went Conservative?
Jan 4, 2020 · 8 min
C-sections and sharks
Hospital births in China and whether it’s true 50% are delivered by caesarean section
Dec 28, 2019 · 8 min
Presidential candidates and dementia
The health risks some of the frontrunners in the US presidential race face