The Naked Scientists Podcast

This week we explore the science of Heart Disease. Dr Niall Campbell joins us to explain what heart attacks are and how theyre treated, Dr Anthony Mathur discusses how stem cells might hold the key to mending a broken heart, and Ben Valsler visits Brian Callingham to investigate how arteries behave when you give them various drugs. Like this podcast? Please help us by supporting the Naked Scientis...

This week we explore the science of flight. Dr Graham Taylor from Oxford University talks about the aerodynamics of insect flight and how video camera back-packs allow him to see how eagles fly, and Jenny Goodman describes how future aircraft might be flying at six times the speed of sound while withstanding temperatures hot enough to melt stainless steel in 5 seconds! In Kitchen Science, Ben Vals...

Every year the Cambridge Science Festival celebrates some of the best and most exciting science and engineering going on in the UK - and the Naked Scientists were there! Find out about the cool science of ice cream, the microscopic world of microbes, and the IgNobel awards for science at its most silly. Looking further afield, the University of Aucklands Peter Metcalf unlocks the secrets of a vira...

Contaminated petrol, astronauts in danger of lung diseases, a new way to put the brakes on car accident rates, gas sensors made from silicon replicas of marine algae and how pollution is causing droughts, plus a healthy digest of your science questions and emails top the bill in this weeks Naked Scientists. Like this podcast? Please help us by supporting the Naked Scientists

This week we unwrap the secrets of ancient mummies from Peru with the help of London Universitys Lawrence Owens, find out where domestic animals and pets came from with Keith Dobney from the University of Durham, and in kitchen science Dave explores the science of fires and fuels by blowing up some custard. Like this podcast? Please help us by supporting the Naked Scientists

Clean water is something that many of us take for granted, but Mark Booth describes how in many parts of the world dirty water can lead to life-threatening disease and parasitic infections. To talk about the current strategies in place to supply clean water we are joined by the World Heath Organisations Alex McKie, and Colin Humphreys explains how high-energy UV LEDs could help provide clean water...

Dr Chris and Dr Helen answer all your burning science questions, including why frost can form even when the air temperature is above zero, why hair looks darker when it is wet, why sunlight looks red through your eyelids, and whether cracking your knuckles really causes arthritis. We also talk to Chemistry World editor Mark Peplow about venomous vipers, artificial kidneys, and how LSD might be swi...

Nuclear energy is always in the news, but how much do you know about nuclear fission and what happens to nuclear waste? To find out how it works, Anna Lacey and Dave Ansell visit Sizewell B power station in Suffolk, and studio guest Ian Farnan discusses nuclear waste disposal and why current methods might not contain the radiation for as long as we thought. But as clinical radiologist Anant Krishn...

The science of pain is our hot topic this week. David Julius reveals the molecular mechanisms of pain and what a chilli pepper has in common with a tarantula, Geoff Woods describes the genetic mutations that lead to people not feeling pain at all, and to explain the phenomenon of phantom limbs and ways in which we can deal with pain is pain consultant Cathy Stannard. In Kitchen Science Derek Thorn...

This week we take a look at extreme environments and the organisms that live in them. Crispin Little talks about hydrothermal vents and the fastest fossilisation on the planet, Steve Scott explains why mining companies are interested in hydrothermal vents, and Lisa Pratt describes how bacteria find energy three kilometres beneath the surface of the earth and how similar strategies could be used by...

Following this weeks crazy weather we have a look at Climate Change with Eric Wolff from theBritish Antarctic Survey, who will be talking about secrets about the climate locked away in ancient ice,Jon Gibbins from Imperial College tells us about ways we can store all that excess carbon dioxideunderground, Ali talks to Alison Hill from the British Wind Energy Association and Max Carcas from OceanPo...

With a new year comes a whole new stack of science questions to challenge Dr Chris, Dr Dave and Dr Kat. This week they explain where the sand in the Sahara comes from, whether mirrors can reflect x-rays, if it is dangerous to live near a phone mast, and whether splitting water could solve our energy problems. We are also joined by the editor of Chemistry World, Dr Mark Peplow, who talks about labs...

In the first show of 2007, Drs Chris, Dave and Helen find out why red wine is better for you than white wine or grape juice, and explore the science of healthy living with with London University researcher and author Roger Corder. We also discover the science behind another of the nations favourite drugs, caffeine, with the help of Bristol Universitys Peter Rogers, and University of St Louis resea...

In the final show of 2006, Chris, Dave and Kat answer all your science questions including why poppadoms curl upwards in the pan, how seedless grapes grow, and if lightning really does strike twice. To celebrate the coming of Christmas, Colin Humphries joins us to explain the astronomical phenomenon behind the Star of Bethlehem, and in Kitchen Science Derek Thorne and Alicia Webb knock back a few...

Shedding light on the deepest depths of the universe is Gerry Gilmore, who talks about the Big Bang and the mystery of dark matter. We also hear from Peter Muller and Giulio del Zanna about 3-D imaging of the surface of Mars and how solar flares contribute to everything from the Northern Lights to damaging communication systems. David Block describes how Andromeda, the galaxy closest to the Milky...

Dr Chris, Dr Dave and Dr Phil answer all your questions on science, technology and medicine, including why spiders do not run out of silk, what the universe is expanding into, what a flame looks like in space, and what happens when the brain is cut off from a supply of oxygen. We also talk to Dr Mark Peplow about polonium 210, how much was needed to kill former Russian spy Alexander Litvinenko, an...

Repairing damage in the nervous system is incredibly challenging, but our guests this week have some promising solutions. Consultant ophthalmologist Robert MacLaren and colleagues at University College London have discovered a way to encourage the growth of photoreceptors in the retinas of blind mice, and Geoff Raisman will discuss his research into spinal cord repair. In Kitchen Science, Derek Th...

As winter approaches, we take a trip down south to look at some of the cool research going on in Antarctica. Jane Francis talks about six-foot penguins and a time when Antarctica was warm and ice-free, Kate Hendry describes what it is like to work in Antarctica today, and Derek and Dave bring a welcome injection of heat as they find out how hand warmers work. We then dive into the waters around An...

This week we explore the science of sound including the mathematics of music and the geometry of jazz with mathematicians Tim Gowers, from Cambridge University, and Robin Wilson from the Open University. We also get to the bottom of why helium makes your voice go all squeaky, we nail a crook by using the sound of his voice in an audio line up, and Kirsty MacDougall explains where accents come from...

Why scratch your head at science when Dr Chris, Dr Dave and Dr Kat are here to answer all you questions?! In this weeks question and answer special, we discover why liquid washing tablets don't dissolve from the inside, why some genetic diseases only manifest in later life, is gravity constant, and why do men get hairy nostrils and ears when they hit sixty? There will also be a fireworks special i...

This week we take a look at some super cool science, as Tim Jackson describes how superconductors work, what they are, and how superconductors are helping astronomers get a clearer view of the universe. Also on the show, Ed Tarte discusses applications of superconductors and SQUIDS in the non-invasive discovery of heart defects and observing brain activity in the unborn foetus, and Science Graduat...

Helping us tune into the science of sound this week is Bob Carlyon, who explains how we hear, how we can concentrate on one voice in a noisy room, and what it sounds like to have a cochlea implant. From the hard of hearing to the most finely tuned ears on the planet, Ian Russell describes how the greater moustached bat catches prey in complete darkness while flying at 40 miles per hour, Trevor Cox...

Taking a look at the science of sight is consultant ophthalmologist Nick Sarkies, who will discuss eye diseases and how we can treat them, and Ron Douglas provides insight into colour vision and how the world appears though the eyes of animals. Sticking with our animal focus, Bob and Chelsea reveal that there may be three times as many poisonous fish as there are snakes, and in Kitchen Science, De...

Cancer biology goes under the microscope this week, as Gerard Evan talks about the causes of cancer and how cancer spreads around the body. Also on the show, and joining us live from the National Cancer Research Institute Conference, is Fran Balkwill who will be discussing cancer treatments and the development of targeted therapies, and Kat Arney, who will be talking about the latest news in cance...

Answering all your cosmic conundrums this week are Drs Chris, Dave and Phil who discuss why blood is red, the size of the ozone hole, how to make magnets, the best way to get rid of excess mucus, and sticking with the gooey theme, Adam Summers discusses how some tarantulas keep a firm hold on the ground by producing sticky silk from their feet. Moving much further away from terra firma, New Horizo...