Covid-19: v

Loading player...
Last week, testing at a private Covid lab in Wolverhampton was halted, after the UK Health Security Agency found tens of thousands of people may have been falsely given a negative PCR result. But since the start of September, scientists had been alerted to strange patterns in the testing data which suggested something was out of the ordinary. Anand Jagatia speaks to Dr Kit Yates, a mathematical biologist, about why it took so long for these errors to be traced back to the lab, and what the consequences could be. Help support our independent journalism at theguardian.com/sciencepod
19 Oct 2021 English United Kingdom Science · Nature

Other recent episodes

Revisited: A Scottish tea mystery, episode three – a bag for life

Science correspondent Nicola Davis investigates the strange story of Tam O’Braan and his attempts to grow tea in Scotland. In episode three of this mini-series first broadcast in October 2025, all of O’Braan’s lies come to a head and it is revealed where he was sourcing the tea being supplied…
23 Jul 20 min

Revisited: A Scottish tea mystery, episode two – the list

Science correspondent Nicola Davis investigates the strange story of Tam O’Braan and his attempts to grow tea in Scotland. In episode two of this mini-series first broadcast in October 2025, Nicola hears how O’Braan’s network of Scottish tea growers began to have suspicions about exactly what he was selling and…
22 Jul 23 min

Revisited: A Scottish tea mystery, episode one – green shoots

Science correspondent Nicola Davis investigates the strange story of Tam O’Braan and his attempts to grow tea in Scotland. In episode one of this mini-series first broadcast in October 2025, Nicola looks back on her first meeting with O’Braan while working on a feature about tea plantations in the UK…
21 Jul 22 min

Can a world-first gene therapy reverse ageing?

The first person has been treated with a highly anticipated new gene therapy that aims to turn back the clock on ageing cells. The trial is aimed at retinal cells, with the hope that encouraging them to behave as if they were young again could improve sight in the affected…
16 Jul 18 min

Fungi: the invisible force protecting our planet

Scientists often talk about the importance of flora and fauna to the health of our planet, but Dr Toby Kiers, an evolutionary biologist and founder of the Society for the Protection of Underground Networks, wants us to consider another force: fungi. Her work charting the planet’s vital underground systems has…
14 Jul 16 min