In this edition of The Naked Scientists: HPV vaccination rates are waning. We examine the importance of the jab. Also ahead: why Africa is key to understanding the evolution of early humans. Plus, the reasons alcohol-free booze might actually not be all that good for us... Like this podcast? Please help us by supporting the Naked Scientists

Dr Chris answers listener questions including: what is the Higgs boson? How should I change my lifestyle to prevent diabetes? Why can you pass on yawns? Why does nerve pain/sciatica get worse when we're tired? Like this podcast? Please help us by supporting the Naked Scientists

In the eLife podcast, a university compost heap has turned up Finland's first documented "giant virus". Also, why monkeys de-sand their supper, and how learning more languages actually makes brain tissue thinner. Then, the link between sugar and neonatal sepsis, and how a cancer controls its hydra host by bestowing it with extra tentacles... Like this podcast? Please help us by supporting the Naked Scientists

In the final installment of this season of Titans of Science, Chris Smith speaks with Sharon Peacock, one of the UK's leading voices in infectious disease research. She is best known for her work on whole genome sequencing of pathogens such as MRSA and SARS CoV-2, and studies of antimicrobial resistance... Like this podcast? Please help us by supporting the Naked Scientists

Cambridge University have informed us that, for cost cutting reasons, they intend to make Dr Chris Smith redundant. Naturally, this jeopardises the Naked Scientists programme, which is produced under his role. He will also lose his medical job. We regard this as a terrible decision and we intend to protest. Please listen to this short podcast to hear how you can help. Together we hope we can turn around this terrible decision... Like this podcast? Please help us by supporting the Naked Scientists

Cambridge University have informed us that, for cost cutting reasons, they intend to make Dr Chris Smith redundant. Naturally, this jeopardises the Naked Scientists programme, which is produced under his role. He will also lose his medical job. We regard this as a terrible decision and we intend to protest. Please listen to this short podcast to hear how you can help. Together we hope we can turn around this terrible decision... Like this podcast? Please help us by supporting the Naked Scientists

Cambridge University have informed us that, for cost cutting reasons, they intend to make Dr Chris Smith redundant. Naturally, this jeopardises the Naked Scientists programme, which is produced under his role. He will also lose his medical job. We regard this as a terrible decision and we intend to protest. Please listen to this short podcast to hear how you can help. Together we hope we can turn around this terrible decision... Like this podcast? Please help us by supporting the Naked Scientists

Chris Smith answers listener science questions. They include, is it worth getting the flu vaccine? Is COVID still around? Is it possible to manufacture a car that runs on air? Why does the hair on our head keep growing, but not on our arms and legs? Is it good to finish a shower with a cold burst? Why are marathon runners thin? Like this podcast? Please help us by supporting the Naked Scientists

In this edition of The Naked Scientists: the UK commits to building a new nuclear power station. But is it worth the hefty price tag? Also, how robots are revolutionising surgery. We'll ask what they can and can't do. And, how NASA's top scientists track rogue near-Earth objects with remarkable precision... Like this podcast? Please help us by supporting the Naked Scientists

Donald wants to know, 'how big is a photon?' Marushka Soobben took on his query with help from Ben Allanach, professor of theoretical physics at the University of Cambridge... Like this podcast? Please help us by supporting the Naked Scientists