Ask the Naked Scientists

Why are humans so sensitive to the smell of rain? Do statins cause dementia? What is the storage capacity of the human brain? How can I remember all the information I study? Do scientists believe in God? How do vultures find their prey? How can I stop or reverse grey hair? What does a cataract operation involve? What is diastolic blood pressure? Are MRI scans harmful to toddlers? And is Dr Chris worried that AI will replace him?! Dr Chris Smith and Clarence Ford have the answers... Like this podcast? Please help us by supporting the Naked Scientists

How does polio cause disease? Why does ice added to a drink not make the glass overflow when the ice melts? What's the point of the appendix? Is old poison, past its expiry date, still toxic? What techniques built the pyramids? How do we treat hypotension? Why do our brains use a disproportionate amount of energy for their weight? Could a fan push a boat along if the wind dropped? And is a dry eye after a cataract operation normal? Dr Chris and Clarence Ford have the answers... Like this podcast? Please help us by supporting the Naked Scientists

Do dogs dream? Can someone who was born blind dream? Do animals have souls? Do certain eye colours have more advantages than others in terms of sight? What is blind sight? What are growing pains? Is it unhealthy to sleep with closed windows? And what is some advice for sleepwalkers? Dr Chris Smith and Clarence Ford have the answers... Like this podcast? Please help us by supporting the Naked Scientists

How does the heat shield protect the Artemis II astronauts on their return to Earth? What caused the craters on the Moon? Can the materials in cooking pots cause poisoning? What is seasickness? Can space missions take place during periods of high solar activity? And what propels spacecraft? Dr Chris Smith and Clarence Ford have the answers... Like this podcast? Please help us by supporting the Naked Scientists

Why some people can't say their Rs; why is perception of time so context dependent; what's the nutritional value of long life milk; what determines how tall we are; why do some mirrors make you look a strange shape; why to take care with magnesium supplements to avoid explosive diarrhoea; how can fish swap between fresh and salt water environments; and why doesn't the stomach digest itself? Dr Chris Smith and Clarence Ford have the answers... Like this podcast? Please help us by supporting the Naked Scientists