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PODCAST

More or Less

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

science mathematics

All Episodes

8:58

The Rapid Test Row

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2021/01/30

A ferocious row has broken out among scientists about new coronavirus tests. Lateral flow tests provide results within minutes and some scientists believe they are offer accurate enough results at a speed that could allow us to resume business as usual. Others think they are so poor at detecting the virus that they could pose a huge danger.In this week’s More or Less, Tim Harford looks at the evidence and what we know about these new tests.

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28:24

Deaths at Home, Supermarket Infections and the Cobra...

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2021/01/27

Since the start of the pandemic there have been many warnings that people might die not just from the coronavirus itself, but also if they didn’t seek medical help out of fear that hospitals might be dangerous. Is there any evidence that this has happened? David Spiegelhalter is on the case.The UK is in lockdown, but tens of thousands of people a day are still testing positive for Coronavirus. Where are they catching it? Grim data on drug deaths in Scotland has been called into question on social

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28:24

Deaths at home, supermarket infections and the Cobra...

More or Less ·

2021/01/27

Since the start of the pandemic there have been many warnings that people might die not just from the coronavirus itself, but also if they didn’t seek medical help out of fear that hospitals might be dangerous. Is there any evidence that this has happened? David Spiegelhalter is on the case.The UK is in lockdown, but tens of thousands of people a day are still testing positive for Coronavirus. Where are they catching it? Grim data on drug deaths in Scotland has been called into question on social

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8:58

Counting Covid’s impact on GDP

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2021/01/23

GDP figures for the period covering lockdown appear to show that the UK suffered a catastrophic decline, worse than almost any other country. But as Tim Harford finds out, things aren’t quite as bad for the UK as they might seem - though they might be worse for everywhere else. Also, alarming claims have been circulating in the UK about the number of suicides during lockdown. We look at the facts.There is support for the issues discussed in the programme at help.befrienders.orgPresenter: Tim

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27:49

Will the vaccine bring back normal life? GDP and Fishing

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2021/01/20

The vaccine rollout continues: how long will it take before we see the benefits, and what benefits will we see? Figures suggest the UK’s economy performed worse than almost anywhere else in the world during the pandemic. But are the numbers misleading us? Alarming claims have been circulating about the number of suicides during lockdown. We look at the facts. Plus, will UK fishing quotas increase two thirds in the wake of Brexit? We trawl through the data.

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29:10

How effective is one dose of the vaccine?

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2021/01/14

A lot has changed since More or Less was last on air. We give you a statistical picture of the second wave: how bad is it, and is there hope? The new vaccine regime is to delay the booster shot of the Pfizer vaccine for up to 3 months. But is the first dose 52% or 90% effective? A new virus variant is meant to be 70% more transmissible, what does that mean? Plus, one of our youngest loyal listeners has a question about her classmates names.

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8:58

Ants and Algorithms

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2021/01/09

What can ants tells us about whether something deserves to be popular? This is a question tackled in David Sumpter’s book – ‘The Ten Equations that Rule the World: And How You Can Use Them Too.’ He tells Tim Harford about some of the algorithms that you see in nature, and those harnessed by tech companies such as YouTube.

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8:58

Numbers of the year: Part two

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2021/01/08

From the economic impact of Covid 19 to the number of people who have access to soap and water, we showcase figures that tell us something about 2020. Tim Harford asks a group of numbers-minded people to take a look back on the year and think of one statistic that really stands out for them. We speak to Razia Khan, the head of research and chief economist for Africa and the Middle East at Standard Chartered; Sana Safi, presenter for BBC Pashto TV at the BBC's Afghanistan Service; and Jennifer

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8:59

Numbers of the year: Part one

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2021/01/08

Tim Harford asks a group of numbers-minded people to take a look back on the year and think of one statistic that really stands out for them. From the spread of Covid-19 to the number of songs added to Spotify this year, we showcase figures that tell us something about 2020. We speak to Oliver Johnson, professor of information theory at the University of Bristol in the UK; Anne-Marie Imafidon, creator and CEO of social enterprise Stemettes; and economist Joel Waldfogel, of the University of

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8:58

The economics of a Covid Christmas

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2020/12/19

Tim Harford asks economist Joel Waldfogel how Covid 19 could affect spending at Christmas this year. They discuss the usual bump in sales and gift giving. The author of ‘Scroogenomics’ usually argues that presents are rarely as valued by the recipient compared to something they might buy for themselves. But what should people do this year?

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8:59

QAnon: Child runaways and trafficking numbers debunked

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2020/12/12

Tim Harford looks at false statistical claims online about missing and trafficked children in the US. These numbers have resurfaced online in part due to conspiracy theorists following QAnon. In the past few months they have inspired protests under the banner - ‘Save Our Children’. We wade through some of the false numbers with the help of Michael Hobbes, a reporter for Huff Post and the co-host of the podcast called You're Wrong About.

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8:59

Vaccines: how safe and who gets it?

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2020/12/05

The UK has become the first country in the world to approve the use of a vaccine for Covid 19. But some people are worried that the decision was taken too quickly - can we really know it’s safe yet? Tim Harford tackles these safety concerns. Plus, what is the best way to distribute the vaccine? How do you maximise the benefit of the first round of vaccines? Stuart McDonald, a fellow of the Institute and Faculty of Actuaries in the UK works out what groups would benefit most.

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9:58

Tracking Covid 19

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2020/11/28

This year has shown us the importance of good robust data - as Covid-19 spread around the world it was vital to track where it was, how many people it was infecting and where it might go next. On More or Less we’ve spent months reporting on data inaccuracies and vacuums, but what makes for good or indeed bad data? I’ve been speaking to Amy Maxmen, Senior reporter at the scientific journal ‘Nature’ about which countries are getting data collection right and which aren’t.

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9:16

Inviting Covid for Dinner

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2020/11/21

If you go to a gathering of 25 or more people, what are the chances one of you has coronavirus?Imagine that you’re planning to hold some sort of gathering or dinner at your home. Take your pick of big festivities - it’s Thanksgiving in the US, we’ve just had Diwali and Christmas is on the horizon. In some places such a gathering is simply illegal anyway. But if it IS legal, is it wise?Professor Joshua Weitz and his team at Georgia Tech in the US have created a tool which allows people in the US and

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8:59

Vaccine numbers

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2020/11/14

A vaccine which has shown in a clinical trial to be 90% effective against Covid 19 has been widely welcomed. But what does it mean and how was it worked out? Although experts and politicians urge caution, how excited can we be about the results of this trial of the vaccine developed by Pfizer and BioNTech? Tim Harford explores what we know about this new vaccine candidate with Jennifer Rogers, vice president of the Royal Statistical Society in the UK, and she also works for Phastar, a consultancy

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8:58

How deadly is Covid 19?

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2020/11/07

Tim Harford explores what we know about mortality rates in the current pandemic. We discuss the differences between the risks to different age groups, and why that has an effect on a country’s Covid 19 fatality rate. We speak to Dr Hannah Ritchie from the University of Oxford and Dr Daniel Howdon of the University of Leeds in the UK.

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8:58

Asymptomatic Covid19 Cases

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2020/10/31

A headline in a British tabloid newspaper claimed that ‘Staggering 86% who tested Covid positive in lockdown had NONE of the official symptoms’ but what does this mean and is it true?

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8:58

US election: facts or fiction

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2020/10/24

Tim Harford hears about the sheer volume of false claims made during the campaign. President Trump is well known for making wild statements, but has his behaviour changed? And what about Joe Biden? So much attention is concentrated on Trump’s claims, how does the Democratic candidate fare? Glenn Kessler at the Washington Post and Katherine J Wu at the New York Times tell us about fact-checking during the run up to the election.

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8:58

Auction Theory - Paul Milgrom and Robert Wilson

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2020/10/17

Paul Milgrom and his former tutor Robert Wilson worked together for years developing ways to run complicated auctions for large resources. This month the two Stanford University professors were awarded the Nobel memorial prize in economics for their work. The auction formats they designed facilitated the sale of goods and services that are difficult to sell in a conventional way, such as radio frequencies.

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8:57

A short history of probability

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2020/10/10

Tim Harford speaks to Jacob Goldstein about the unholy marriage of mathematicians, gamblers, and actuaries at the dawn of modern finance.

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