The human stain remover: what Britain’s greatest extreme cleaner learned from 25 years on the job

Once a stalwart of Hong Kong’s journalism scene, Wang Jian has found a new audience on YouTube, dissecting global politics and US-China relations since the pandemic. To his fans, he’s part newscaster, part professor, part friend By Lauren Hilgers. Read by G Cheng. Help support our independent journalism at theguardian.com/longreadpod

From murder scenes to whale blubber, Ben Giles has seen it – and cleaned it – all. In their stickiest hours, people rely on him to restore order By Tom Lamont. Read by Elis James. Help support our independent journalism at theguardian.com/longreadpod

We are raiding the Guardian long read archives to bring you some classic pieces from years past, with new introductions from the authors. This week, from 2022: forensic scientist Angela Gallop has helped to crack many of the UK’s most notorious murder cases. But today she fears the whole field – and justice itself – is at risk By Imogen West-Knights. Read by Lucy Scott. Help support our independent journalism at theguardian.com/longreadpod

If the first term of Donald Trump provoked anxiety over the fate of objective knowledge, the second has led to claims we live in a world-historical age of stupid, accelerated by big tech. But might there be a way out? By William Davies. Read by Dan Starkey. Help support our independent journalism at theguardian.com/longreadpod

In the 1970s, the radical leftwing German terrorist organisation may have spread fear through public acts of violence – but its inner workings were characterised by vanity and incompetence By Jason Burke. Read by Noof Ousellam. Help support our independent journalism at theguardian.com/longreadpod

We are raiding the Guardian long read archives to bring you some classic pieces from years past, with new introductions from the authors. This week, from 2022: Thanks to a savvy California lawyer, Albert Einstein has earned far more posthumously than he ever did in his lifetime. But is that what the great scientist would have wanted? By Simon Parkin. Read by Ruth Lass. Help support our independent journalism at theguardian.com/longreadpod

In the early years, American Jewish support for Israel was a fraught issue. The turning point was the six-day war of 1967, which solidified a strength of feeling that has only recently begun to fracture By Mark Mazower. Read by Kerry Shale. Help support our independent journalism at theguardian.com/longreadpod

In 2020, after spending half his life in the US, Song-Chun Zhu took a one-way ticket to China. Now he might hold the key to who wins the global AI race By Chang Che. Read by Vincent Lai. Help support our independent journalism at theguardian.com/longreadpod

We are raiding the Guardian long read archives to bring you some classic pieces from years past, with new introductions from the authors. This week, from 2022: I assumed I would be part of the first generation to have full agency over my reproduction – but I was wrong By Edna Bonhomme. Read by Nerissa Bradley. Help support our independent journalism at theguardian.com/longreadpod

Over a few brutal days in March, as sectarian violence and revenge killings tore through parts of Syria, two friends from different communities tried to find a way to survive By Ghaith Abdul-Ahad. Read by Mo Ayoub. Help support our independent journalism at theguardian.com/longreadpod