More or Less

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Detecting Bad Science with Data May 20, 2023

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For more than a decade there’ve been longstanding concerns about the credibility and reliability of science research. This “bad science” has often stemmed from poor data practice or worse. But statistics can also help us identify and understand some of what’s going wrong, whether that’s selective data-slicing or outright fabrication.

Tim Harford talks to writer and broadcaster Michael Blastland about his new BBC radio documentary ‘The Truth Police’, which hears from the outsiders who are calling out fraud, malpractice and incompetence in science.

Presenter: Tim Harford Producer: Nathan Gower Editor: Richard Vadon Programme Coordinator: Brenda Brown Sound Engineer: James Beard

Do 94% of marriages in Portugal really end in divorce? May 13, 2023

Show notes

Portugal has a divorce rate of 94% and India just 1%, according to a social media post about divorce in 33 countries that has gone viral. But how are these figures calculated and what do they really tell us about the quality and endurance of marriage? We investigate with guests Marina Adshade, assistant professor at the Vancouver School of Economics and Dr Cheng-Tong Lir Wang of the Institute for the Future in San Francisco.

Presenter: Ben Carter Producers: Octavia Woodward and Jon Bithrey Editor: Richard Vadon Production Co-ordinator: Brenda Brown Sound Engineer: Neil Churchill

Why is life expectancy falling in the USA? May 06, 2023

Show notes

The average life expectancy of Americans is shrinking at an alarming rate.

Between 2019 and 2021, a staggering 2.7 years has been shaved off, leaving the revised figure at 76.1 years - the lowest it’s been in more than two decades.

It also sees the U.S. rank 46th in the global life expectancy charts, behind Estonia and just a nose ahead of Panama.

Paul Connolly is joined by John Burn Murdoch, Mary Pat Campbell and Dr Nick Mark to discuss why, on average, citizens of the world’s richest country are dying so young.

How much is the Coronation crown worth? Apr 29, 2023

Show notes

Consisting of 2 kilograms of gold and 444 gemstones, the iconic St Edward’s Crown will play a central role in the coronation of King Charles III, as it has for many of his predecessors. There has been much speculation as to what the value of the centrepiece of the Crown Jewels really is.

Charlotte McDonald talks to Dr Anna Keay, historian and author of The Crown Jewels - the Official History, and Alan Hart, CEO of the Gemmological Association of Great Britain. Together they break down what we know about the crown’s cost to make in the 17th century and what it might be worth today.

The Pentagon Leaks and Fox News Apr 22, 2023

Show notes

The leaking of US intelligence documents and the arrest of a 21 year old airman who authorities believe to be responsible has caused a media and diplomatic storm. We look at how the leaks were reported by primetime Fox News host Tucker Carlson, who said seven Ukrainian troops are dying for every one Russian, contrary to most estimates. And we examine an advert Fox News took out claiming to be the American TV network most trusted for news. With guests Aric Toler from investigative journalism site Bellingcat, data journalist and author G. Elliott Morris and BBC correspondent Olga Ivshina.

How accurate is baby's due date? Apr 15, 2023

Show notes

Paul Connolly is expecting his second child, and the due date is just under two weeks away. In hopes of easing his anxiety every time the phone rings , he is joined by Professor Asma Khalil, Professor Chris Pettker and Doctor Melissa Wong to discover exactly how accurate his baby's due date is...

Presenter: Paul Connolly Researcher: Octavia Woodward Editor: Richard Vadon Sound Engineer: Graham Puddifoot Production Co-ordinator: Brenda Brown

How to better understand and explain numbers Apr 08, 2023

Show notes

The covid-19 pandemic has brought the use of statistics into everyday life in a way never seen before. Tim Harford talks to Professor Oliver Johnson, author of Numbercrunch: A Mathematician’s Toolkit for Making Sense of Your World, about his visual presentation of covid-19 related figures on Twitter and how we can all improve our understanding and use of numbers.

A groundbreaking new proof for Pythagoras’ Theorem? Apr 01, 2023

Show notes

Pythagoras’ Theorem, explaining the relationship between the three sides of a right angled triangle, is one of the most famous in maths. It’s been studied and put to use for thousands of years. Now two US high school students say they’ve found a new trigonometric proof for the theorem, something many in the mathematical community believe to be impossible. We discuss Pythagoras’ Theorem, the importance of proofs in maths and the chances of this being a real breakthrough with mathematician, author and YouTuber Matt Parker.

Covid vaccines and false claims about miscarriage Mar 25, 2023

Show notes

Misinformation around covid-19 and vaccines is rife and as the data available increases, so do often misleading and even wild claims. This week More or Less examines multiple viral claims that the Covid 19 mRNA vaccines increase the risk of miscarriage. To explain where these incorrect figures come from and what the science actually tells us, we are joined by Dr Viki Male, senior lecturer in reproductive immunology at Imperial College London. Presenter: Charlotte McDonald, Producers: Octavia Woodward and Jon Bithrey Editor: Richard Vadon Sound Engineer: John Scott Production Co-ordinator: Helena Warwick-Cross

(Photo by Matthew Horwood/Getty Images)

Silicon Valley Bank: a very modern bank run Mar 18, 2023

Show notes

After the collapse of Silicon Valley Bank sent jitters through the financial system, Duncan Weldon explains how it’s just the latest in the long history of bank runs.

He talks to financial analyst and former banking regulator Dan Davies - author of ‘Lying for Money’ - to understand how bank runs happen, and what the repercussions of this very modern bank run might be for the global financial system. Presenter: Duncan Weldon Producer: Nathan Gower Editor: Richard Vadon Programme Coordinators: Helena Warwick-Cross Sound Engineer: Neva Missirian

(Photo credit: Reuters)

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