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False negatives, testing capacity and pheasants Jun 03, 2020

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As lockdowns begin to lift the government is relying on testing and contact tracing programmes to prevent a second wave of Covid-19 infections. But how accurate are the swab tests used to diagnose the disease? The UK Statistics Authority has criticised the government for the way it reports testing figures, saying it’s not surprising that these numbers “are so widely criticised and often mistrusted.” We take a look at how the government achieved its target of developing a daily testing capacity of 200,000 by the end of May. Can we really have only 60 harvests left in the world? Plus, the very pleasant Hugh Fearnley Whittingstall has a pleasant pheasant question for us.

Obeying lockdown, flight arrivals and is this wave of the epidemic waning? May 27, 2020

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More than 35,000 people in the UK have now officially died from Covid-19, but what does the data show about whether this wave of the epidemic is waning? We ask who respects lockdown, who breaks it, and why?

Our listeners are astounded by how many people allegedly flew into the UK in the first three months of the year - we’re on the story. We look at the performance of the Scottish health system on testing. And some pub-quiz joy involving a pencil.

60 Harvests and statistically savvy parrots May 23, 2020

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A listener asks if there can really only be 60 harvests left in Earth's soil. Are we heading for an agricultural Armageddon? Plus we meet the parrots who are the first animals, outside humans and great apes, to be shown to understand probability.

(image: Kea parrots in New Zealand)

School re-opening, Germany’s Covid-19 success and statistically savvy parrots May 20, 2020

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Risk expert David Spiegelhalter discusses whether re-opening some schools could be dangerous for children or their teachers. We ask what’s behind Germany’s success in containing the number of deaths from Covid-19. Many governments across the world are borrowing huge sums to prop up their economies during this difficult time, but with everyone in the same boat who are they borrowing from? Plus we revisit the UK’s testing figures yet again and meet some statistically savvy parrots.

Social Distancing and Government Borrowing May 16, 2020

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As lockdowns start to lift, many countries are relying on social distancing to continue to slow the spread of coronavirus. The UK says we should stay 2 metres apart, the World Health Organisation recommends 1 metre, Canada six feet. So where do these different measurements come from? Plus, governments around the world are trying to prop up their economies by borrowing money. But with everyone in the same situation, where are they borrrowing from?

Vitamin D, explaining R and the 2 metre rule May 13, 2020

Show notes

R is one of the most important numbers of the pandemic. But what is it? And how is it estimated? We return to the topic of testing and ask again whether the governments numbers add up. As the government encourages those who can’t work at home to return to their workplaces - we’re relying on social distancing to continue to slow the spread of the virus. But where does the rule that people should stay 2 metres apart come from? And is Vitamin D an under-appreciated weapon in the fight against Covid-19?

Covid-19 fatality rate May 09, 2020

Show notes

The question of just how dangerous Covid-19 really is, is absolutely crucial. If a large number of those who are infected go on to die, there could be dreadful consequences if we relaxed the lockdowns that have been imposed across much of the world. If the number is smaller, for many countries the worst might already be behind us.

But the frustrating thing is: we’re still not sure. So how can we work this crucial number out?

Testing truth, fatality rates, obesity risk and trampolines. May 06, 2020

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The Health Minister Matt Hancock promised the UK would carry out 100,000 coronavirus tests a day by the end of April. He claims he succeeded. Did he? The question of just how dangerous the new coronavirus really is, is absolutely crucial. If it’s high, there could be dreadful consequences if we relaxed the lockdowns. So why is the fatality rate so difficult to calculate? Is it true that being obese makes Covid-19 ten times more dangerous? And whatis injuring more kids in lockdown, trampolines or Joe Wicks’ exercises?

Climate change and birdsong May 02, 2020

Show notes

With much of the world’s population staying indoors, there are fewer cars on the roads, planes in the skies and workplaces and factories open. Will this have an impact on climate change?

Plus as the streets become quieter, is it just us, or have the birds begun to sing much more loudly?

Ethnic minority deaths, climate change and lockdown Apr 29, 2020

Show notes

We continue our mission to use numbers to make sense of the world - pandemic or no pandemic. Are doctors from ethnic minority backgrounds disproportionately affected by Covid-19? Was the lockdown the decisive change which caused daily deaths in the UK to start to decrease? With much of the world’s population staying indoors, we ask what impact this might have on climate change and after weeks of staring out of the window at gorgeous April sunshine, does cruel fate now doom us to a rain-drenched summer? Plus, crime is down, boasts the home secretary Priti Patel. Should we be impressed?

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