Naked Scientists

On Naked Neuroscience, James Tytko learns about the traits shared by extremist individuals with the help of political neuroscientist Leor Zmigrod. Also, how the genetic predispositions of your peers could change your risk of developing certain psychiatric conditions. Plus, how a new sleep therapy could be about to revolutionise how we help people recover from PTSD... Like this podcast? Please help us by supporting the Naked Scientists

This week, Jon wants to know, in the wake of wildfires across the world in recent years, should we be concerned about their carbon footprint? James Tytko asked Jim Dale from British Weather Services for the answer... Like this podcast? Please help us by supporting the Naked Scientists

This week, Dr Chris and Relebongile find out how dietary salt affects the body, how loneliness and loss of a loved one can cause ill-health, what a blind person "sees" in their mind's eye, how broken fingers heal, how many cigarettes does it take to get hooked, and why does alcohol withdrawal cause shaking and tremors... Like this podcast? Please help us by supporting the Naked Scientists

Christine emails in with this message: 'Does bacteria contained in probiotics become part of the microbiome; in other words can one stop taking probiotics after 30 days of taking probiotic-containing capsules?'James Tytko sought to find the answer with the help of Alex Almeida, microbiologist at the University of Cambridge. Like this podcast? Please help us by supporting the Naked Scientists

Anne writes in with this question, which James Tytko took on with the help of the University of Cambridge's Public Astronomer, Matt Bothwell... Like this podcast? Please help us by supporting the Naked Scientists

Questions for Dr Chris Smith on this week's Ask! include: What are the health benefits of exercise? How do you explain deja vu? Can you be in two places at once? What factors influence the weather? Like this podcast? Please help us by supporting the Naked Scientists

This month, evidence that the microbiome is controlling blood pressure - so will we treat hypertension with probiotics in future? Also, plastic is everywhere and an urgent environmental threat, but is the public aware, or do they care? We also consider the economics of animal extinction and species conservation, the price we pay for water, and the role of the "blue carbon" in keeping CO2 in check... Like this podcast? Please help us by supporting the Naked Scientists

Elizabeth with a transatlantic teaser for this question of the week: "I heard that people in the UK can't smell when it rains, but us Americans can. If I went to the United Kingdom, would I be able to smell the rain there? Would someone from the UK be able to smell rain here? What is going on?" James Tytko sought the answer with the help of Anne Jungblut from the Natural History Museum... Like this podcast? Please help us by supporting the Naked Scientists

Dr Chris answers a wide range of listener science questions. What is entropy and how does it reconcile with equilibrium? What happens when they put dogs to sleep? Why can I read words when the vowels are removed? How do hair implants work? How does a bird find worms? Can birds see their own tails? Why do I cry when I have a bad cold? Like this podcast? Please help us by supporting the Naked Scientists

Why does your washing sometimes smell bad? What is the difference between forecast temperature and 'real feel'? Why can't other apes grow long head hair? What is the difference between a sprinter and a marathon runner? Why do Greenland sharks live so long? Can parrots see themselves in the mirror? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists