The mounting misgivings over microplastics

In this edition of The Naked Scientists: Will - and could - India switch off the water supply to Pakistan amid mounting tensions over Kashmir? Also, how a transmissible canine cancer from 8000 years ago is shedding fresh light on tumour biology - and how cancers can steal foreign genes, today. And, testing out a virtual reality tool designed to help us confront our fears of speaking in public... Like this podcast? Please help us by supporting the Naked Scientists

Today's Titan is former chair of the UK's Joint Committee on Vaccination and Immunisation, and a key figure in the Oxford-AstraZeneca vaccine which rolled out during the Covid pandemic. Andrew Pollard tells Chris Smith how vaccines work, how public health bodies decide what to protect us against, and how current technology will shape the future of immunisation... Like this podcast? Please help us by supporting the Naked Scientists

In this edition of The Naked Scientists: World Malaria Day, and why overseas aid cuts in the US are threatening to cause a crisis; the carnivorous caterpillar dubbed the "bone collector" that steals from spiders; and the biotechnologist attempting to feed astronauts better in space... Like this podcast? Please help us by supporting the Naked Scientists

In this edition of The Naked Scientists, Titans of Science continues with planetary scientist charged with analysing rock samples brought in from outer space, Sara Russell... Like this podcast? Please help us by supporting the Naked Scientists

In this edition of The Naked Scientists: Evidence of a carbon cycle on Mars has been unearthed by the Curiosity rover. What does it mean for the red planet's past habitability? Also, the cannabis-based painkiller as powerful as an opioid, but without the side effects. And, could fashion sense and a primitive sunscreen have been the deciding 'factor 50' which allowed us humans to outlast the Neanderthals... Like this podcast? Please help us by supporting the Naked Scientists

Titans of Science series is back for another run. And to kick us off, marine biologist Richard Thompson, who first brought to the world's attention 20 years ago the problem that is micro - and now nano - plastic pollution... Like this podcast? Please help us by supporting the Naked Scientists

In the News podcast: the first baby is born in the UK to a woman with a transplanted uterus, and we speak to the surgeons responsible. Also, the best evidence yet the shingles vaccine can help reduce the risk of developing dementia; a drug that could make human blood deadly to mosquitoes. Then, we travel back in time 8,500 years to hear about the sea voyage of hunter gatherers to the Mediterranean island of Malta... Like this podcast? Please help us by supporting the Naked Scientists

In this edition of The Naked Scientists, what's behind a sharp rise in measles cases? Like this podcast? Please help us by supporting the Naked Scientists

In today's news podcast, a study shows a reduced effectiveness of vaccinations in babies who have antibiotics treatments early in life. Also, the world's smallest, light-powered pacemaker, and we learn the secrets of the broadclub cuttlefish's crab-catching colour display. Then, we follow the journey of miso paste up to the ISS and back to Earth again, and hear what it tastes like! Like this podcast? Please help us by supporting the Naked Scientists

Take a deep breath. Yes, literally. And ask yourself: what's in the air I just inhaled? It's almost certain, with our modern lives and built, busy environments, that it contains a range of harmful particles. Whether it stems from city traffic or wildfires, air pollution has many sources, it affects all of us, and it has the potential to become much worse. So today, we're examining what constitutes a bad air day, the biggest producers of pollution, how we monitor the problem, and what can be done to improve matters. Like this podcast? Please help us by supporting the Naked Scientists