Dr Chris Smith takes on listener questions on South Africa's CapeTalk. Why is there a delay between live TV and radio? Do wind turbines warm the air at ground level? Do we need to decommission the ISS? What causes genital warts? Like this podcast? Please help us by supporting the Naked Scientists

Parasites have to come up with all sorts of tricks to evade the immune system of their hosts. But Kate wants to know, how do they know they've found the right place? James Tytko took her question on with help from Catherine Merrick, professor of parisitology at the University of Cambridge... Like this podcast? Please help us by supporting the Naked Scientists

In the news, a potentially game-changing new injection to ease the suffering caused by asthma attacks shows success. Also, who should fix the gas leak on the International Space Station? Then, fossilised footsteps fuel speculation over interactions between early human ancestors, and we find out what the presence of amber in Antarctica reveals about the history of this now desloate land... Like this podcast? Please help us by supporting the Naked Scientists

In this edition of The Naked Scientists, how much of a part do innovations in nuclear energy production, like SMRs and microreactors, have to play in our nuclear future? Like this podcast? Please help us by supporting the Naked Scientists

Thanks to Cambridge University's Andy Wheeler for the answer! Like this podcast? Please help us by supporting the Naked Scientists

In this animal-themed edition of the news: What prompted scientists to put vampire bats on a treadmill? Also ahead: why medicinal leeches are returning to the UK's waterways. Plus, the spiders that know what kind of food will satisfy their dietary needs. Like this podcast? Please help us by supporting the Naked Scientists

Why are we called The Naked Scientists? Why should you get sunlight in the morning? Why does bright light make you sneeze? Does luck have a pattern? Is there really such thing as bad luck? Do people who don't get sunlight have more health problems? Did our skin colour change because of agricultural reasons? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists

On today's programme, we are going to examine attempts to end HIV/AIDS as a public health threat by the end of the decade.The AIDS pandemic is unarguably the worst health threat to confront the population in the modern era. We believe close to 100 million people have died of the disease so far since it first emerged in the early 1900s.It's proved a very tough nut to crack; when I first went to medical school in 1993, a patient with advanced AIDS and just weeks away from dying came to speak to us.That rarely happens in first world countries these days thanks to breakthrough scientific... Like this podcast? Please help us by supporting the Naked Scientists

Dr Chris Smith answers questions from the listeners of CapeTalk. Including, why are pregnant women told to take folic acid? What causes ears to itch? Why is vomit yellow? Is there a relationship between organs of the body and areas of the skin? How effective is carbon dating? Like this podcast? Please help us by supporting the Naked Scientists

Rick wants to know why the Canada geese he's been observing, who are preparing to migrate for the winter, are honking so incessantly while flying in formation. Viola Ross-Smith from the British Trust for Ornithology was on hand to help James Tytko with the answer... Like this podcast? Please help us by supporting the Naked Scientists