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Wild water swimming is becoming ever more popular and, according to a new study published recently in Cell Reports Medicine, combining dips in cold water with time in a hot sauna could have potential health benefits. Verner Viisainen spoke with senior author Camilla Scheele to find out more... Like this podcast? Please help us by supporting the Nak…
 
Who doesn't like to pick up a cold drink from the fridge and sit down to watch a show on their laptop or TV? Electrical appliances have made our lives easier and richer and yet, as much as we love them, we don't seem to be as good at properly maintaining or disposing of them. Thursday 14th October this year was International E-Waste Day, an event t…
 
A form of cultured cell, known as a HeLa cell, is at the centre of a lawsuit that is being brought against a large scientific company that uses these cells. HeLa cells are named after the person they were collected from originally, Henrietta Lacks. They are an "immortal" cell line that grows continuously in the culture dish. This means that the cel…
 
Pain relief after surgery is a major headache as we don't have a lot of effective, and safe, options. Opioids in particular, like morphine, are very addictive and cause hundreds of thousands of deaths globally each year, and so doctors are desperate for alternatives. Now, scientists at the University of Buffalo have developed a long-lasting, local …
 
This week, listener Rick emailed us to ask "Why do we acquire lifelong immunity against some pathogens but not others?" Sally Le Page asked author and infectious disease researcher at Imperial College, London, John Tregoning, to jog our memories... Like this podcast? Please help us by supporting the Naked Scientists…
 
He said he'd introduce them, now Boris Johnson has stepped back from mandating vaccine passports across England for venues like nightclubs. But what's provoked this viral volte-face? Also, saliva tests for Covid-19, few fatal coronavirus cases among the unvaccinated, what's the role of hand sanitisers, and are Covid booster jabs the way forward? Dr…
 
Fluoride is the stuff in toothpaste that helps strengthen teeth. But if there's too much fluoride in the water it softens bones, and children become susceptible to bone deformities. It's very difficult and expensive to remove dissolved fluoride ions from water. But, inspired by nature, scientists have used polymers to produce a membrane that can fi…
 
Twitter has been the subject of another study, looking at how people's tendency to post tweets in moral outrage is affected by other people on the site. Increasingly in recent years, celebrities and other well-known individuals have found themselves being "cancelled". This usually happens when they do or say something that other users disagree with…
 
Scientists and doctors are always after good quality human cells for research and therapeutic purposes, but these can be hard to come by in sufficient quantities. Now, synthetic biology company bit.bio has opened up new headquarters in Cambridge to start supplying multiple different cell types by reprogramming stem cells. Eva Higginbotham heard mor…
 
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