The Naked Scientists Podcast

The 11th of July was world population day and at current figures there are over 7.4 billion of us living on the planet. That number continues to grow and at the same time the proportion of people living in urban environments is also increasing.This week we're asking if there's space for animals in our concrete jungles and what we can do to persuade people to put nature first.Plus, in the news we learn how new technology is speeding up vaccination production and how ancient bacteria could increase plant growth. Like this podcast? Please help us by supporting the Naked Scientists

This week, we're answering the science questions that you've been sending in, including: is the Earth's core cooling down, how do messages from space probes get back to Earth and why sleeping on your front might increase your risk of Alzheimer's Disease... Like this podcast? Please help us by supporting the Naked Scientists

The Naked Scientists are hosting their very own dinner party, and the guests include a master distiller, a MasterChef finalist and a master of chocolate, all on hand to help reveal the science behind the perfect dinner party. Plus, the world's fastest supercomputer boots up in China and news of why itchy mosquito bites are more likely to infect. Like this podcast? Please help us by supporting the Naked Scientists

This week on the Naked Scientists, we observe a post-mortem. The patient was in his seventies but the coroner ordered an autopsy because the cause of death wasn't clear. Chris Smith observes pathologist Alison Cluroe conduct the procedure as she tries to find out why the patient died and sees how this once common practice is still saving lives... Like this podcast? Please help us by supporting the Naked Scientists

This programme comes to you from the British Cardiovascular Society Conference in Manchester, where leaders in the field have been presenting their latest research on preventing heart disease: one of the leading causes of death. We explore the radioactive toothpaste that can help you predict heart attacks, listen in to a genuine heart transplant and ask whether running really keeps your heart healthy. Like this podcast? Please help us by supporting the Naked Scientists

A growing global population means we are facing a considerable housing shortage and it has been estimated that by 2025, as many as 1.6 billion individuals will face crowded substandard housing.But, the need to build more homes comes at a cost as in countries like the U.K., half of the population's carbon emissions come just from the buildings we inhabit. So, can we have sustainable housing that still meets the demands of a growing population?Plus in the news: painkillers that could actually be making your pain worse, the secrets of the earth's magnetic core and the truth behind the naked... Like this podcast? Please help us by supporting the Naked Scientists

This week on the Naked Scientists, are we more prone to struggle with stress and if so why? Graihagh Jackson is probing the state of our mental health by taking a stress test to unearth how the human body responds and why; we'll be seeing whether having a 'gut feeling' has anything to do with it and what we can all do to unwind a little more. Like this podcast? Please help us by supporting the Naked Scientists

This week we delve into the science of salt: what does it do in the body, how can it cause problems for farmers, and what avenues are scientists exploring to desalinate sea water and keep us all refreshed? Plus, one in ten adults have ADHD, the contagious cancer that's followed dogs across the world, and how scientists are growing a brain in a dish to find answers to Alzheimer's Disease... Like this podcast? Please help us by supporting the Naked Scientists

This week on the Naked Scientists, your questions go under the microscope. Do women have a superior memory? What is the evidence for climate change? Can plants get cancer? Why do we sometimes see stars? And has the universe been through multiple big bangs? Join Dr Chris as he puts an astrophysicist, a neuroscientist, a climate researcher and a plant scientist through their paces tackling the questions you've been sending in... Like this podcast? Please help us by supporting the Naked Scientists

If you've followed environmental stories over the years, you'll know this tune. Scientists have long been singing off the same songbook when it comes to fossil fuels, deforestation and pollution. But drum not often banged is the dwindling supply of phosphorus. It's is an essential element for all life. It makes up our DNA and all organisms need it for energy. It cannot be replaced, there is no synthetic substitute. In other words, without phosphorus, there is no life. This week on the Naked Scientists, we investigate whether we're running out of phosphorus for fertiliser and what we can do... Like this podcast? Please help us by supporting the Naked Scientists