Ask the Naked Scientists

In this week's show, how scientists discover Russia's use of frog neurotoxin epibatidine to kill political opponent Alexei Navalny, why some people are more vulnerable to dental problems, why does a full bladder make me feel sick, how is gum disease linked to heart disease, where do the clouds surrounding Table Mountain go, and what is the evolutionary advantage of golf? Plus, can science and religion co-exist? Dr Chris Smith and Clarence Ford have the answers... Like this podcast? Please help us by supporting the Naked Scientists

How did life on Earth begin? Why is glass clear when sand is opaque? What is foot-and-mouth disease? Why do some people's accents change when they emigrate? What is trigeminal neuralgia? What is decided before drug trials take place? What's the difference between colloidal silver and quantum silver? Is Lyme disease contagious? And are we gaining or losing mass on planet Earth? Dr Chris Smith and Clarence Ford have the answers... Like this podcast? Please help us by supporting the Naked Scientists

Do animals enjoy views like we do? Why are some elephants born without tusks? Why do some people pass out on roller coasters? Is there a cure for dizziness? Can the brain recover if you stop drinking alcohol? Why is there a difference between the way that dogs and humans metabolise food? Did hallucinogens play a role in human evolution? Is a heart murmur a side effect of an overactive thyroid? Dr Chris Smith and Clarence Ford have the answers... Like this podcast? Please help us by supporting the Naked Scientists

What is consciousness? What is the Nipah virus? What is an induced coma? Is there an official scale for pain? Can you think yourself better? How can you make plasma? And how do you prevent a dog's pee from turning your lawn brown? Dr Chris Smith and Clarence Ford have the answers... Like this podcast? Please help us by supporting the Naked Scientists

Why does a glass of water help settle a sore throat? What are the best ways to help heal a slipped disc? Which part of the brain helps us make decisions? What causes stuttering in speech? If a fly is travelling in a fast car, is it travelling at the same speed as the car? And at what age is our brain fully developed? Dr Chris Smith and Clarence Ford have the answers... Like this podcast? Please help us by supporting the Naked Scientists