Dr Chris answers questions on CapeTalk, including: how often should we wash our clothes? Is there a relationship between the Earth's gravity and magnetic field? Are the magnetic poles moving? Is there a distinction between North and South? Why don't adult teeth grow back like children's teeth? Can we reconcile science and spirituality? Why does my sister's car attract insects? What is the quickest way to lose weight in a short period of time? Is it true that our eyeballs stay the same size throughout our life? Like this podcast? Please help us by supporting the Naked Scientists

Why is February only 28 days long? Is there a link between red meat, testosterone, and male violence? Is there a 'best' LLM? Can macular degeneration cause you to go blind? What do we know about the big bang? What determines the speed of your internet? Does an autoimmune system attack random parts of the body? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists

Ask! The Naked Scientist covers questions including, are we humans the universe's consciousness? Is the presence of dimethyl sulphide on an exoplanet a sure sign of life? Have scientists been able to establish where the Garden of Eden is? If I decide not to breastfeed, what happens to the milk I produce? Can I benefit from the nutrients? Like this podcast? Please help us by supporting the Naked Scientists

In this week's Ask!, Dr Chris explains what we know about deja vu (have we had this one before?) Also, what might have been behind the major power outages in Spain, and what exactly was the Carrington Event? What causes the differences between summer and winter here on Earth? Like this podcast? Please help us by supporting the Naked Scientists

Are there signs of life on another planet? Could a shingles vaccine prevent dementia? Do artificial sweeteners increase our appetite? How is obesity measured? Could there ever be a dementia vaccine? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists

In Ask! the Naked Scientist, Dr Chris answers medical enquiries such as: why a pacemaker may cause some discomfort. Why might you get a migraine if you oversleep? And, is pain in the abdomen a sign of kidney failure? Like this podcast? Please help us by supporting the Naked Scientists

In this week's Ask the Naked Scientist, Chris Smith tells us if we are seeing an increase in cancer numbers. Also, what are the underlying causes of colon cancer, and what treatments are available? Does alcohol aid sleep or disrupt it? Are seed oils unhealthy? Are mosquitos more likely to come for you when you wear a certain deodorant? Is paraffin carcinogenic? Like this podcast? Please help us by supporting the Naked Scientists

In this episode of Ask the Naked Scientist: does miso ferment differently in space? How can I improve my memory? Could receiving hepatitis A, tetanus, and typhoid vaccinations, in combination, cause chronic fatigue? Why does food go bad, and are food packet instructions accurate? What is brain plasticity, and how do we train it? What is mindfulness? Is my diabetes causing a strange smell in my urine? Like this podcast? Please help us by supporting the Naked Scientists

Why do we have different blood groups? What drives the libido? Do you get drunk faster on an aeroplane? How long does an artificial heart valve last? Does food taste different on an aeroplane? Should you take multivitamins? Is there an actual physical end to space? Are there any benefits to copper or brass bangles? Do older people sleep less than younger people? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists

In this episode of Ask! Dr Chris answers questions including: what are the minerals in mineral water? Is it safe to drink water from plastic bottles? Is glass safe to drink from? How do people perform sword swallowing? What are biodegradable plastics made of? What is metformin, and is it effective? Like this podcast? Please help us by supporting the Naked Scientists