The mounting misgivings over microplastics

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

In this edition of The Naked Scientists: the first transplant of a gene-modified pig liver into a human; also, the James Webb Space Telescope sees one of the first galaxies ever to exist, and it's very strange indeed; and scientists explain why we can't recall our early years... Like this podcast? Please help us by supporting the Naked Scientists

In this edition of The Naked Scientists, Antimicrobial Resistance, or AMR, is going under our microscope. What is it, how does it happen, what's the scale of the threat, and how can we fight back? Like this podcast? Please help us by supporting the Naked Scientists

In this edition of The Naked Scientists: Stranded Nasa astronauts Butch Wilmore and Suni Williams come down to Earth with a splash and some awesome drone footage; also, Cambridge scientists are mapping where to find the world's rarest minerals; and the massively under-appreciated role that whales play transporting nutrients thousands of miles...using their urine. Like this podcast? Please help us by supporting the Naked Scientists

In this edition of The Naked Scientists, what threat do microplastics pose to our health, and the health of the planet? Like this podcast? Please help us by supporting the Naked Scientists