Ask the Naked Scientists

What's the impact of sodium on our heart health? Are there sounds around us that we can't hear? Why do teeth have nerves and a blood supply? What controls our emotions? Can other primates and mammals have colourblindness? Why can't certain organs regenerate themselves, whilst others can? Dr Chris Smith and Saskia Falken have the answers... Like this podcast? Please help us by supporting the Naked Scientists

Do dolphins and whales yawn? Is yawning contagious in animals? What progress has been made on brain chip implants? What is the difference between kidney thrombosis and renal vein thrombosis? Why does a falling slice of toast land butter side down, and does fall height matter? Is it unsafe to receive the wrong blood type? Why are birds adapted to have birdsong? What keeps all the water up in a cloud? Why can I feel my phone buzz in my pocket when it's actually on the table? And how to improve blood iron levels? Dr Chris Smith and Clarence Ford have the answers... Like this podcast? Please help us by supporting the Naked Scientists

Does water boiled in a microwave oven taste different from kettle-heated water? How long does it take the body to absorb a drink of water? Does too much water cause a kidney problem? What are essential fatty acids? Why do farts linger longer in the shower? What's better for your body, hot water, cold water, or warm water? How does the body know to swallow a drink and breathe air? How does an aspirin know where it hurts? And how does the anus tell a fart from a shart? Like this podcast? Please help us by supporting the Naked Scientists

Why does running water make us want to go to the bathroom? What is IQ, and can you improve it? What is a Pica craving? Why isn't sperm damaged when it's frozen? Is there any evidence that links COVID vaccines to cancer rates? Is there a test to check whether honey is authentic or adulterated? What are hempcrete building materials? Why does it take so long to enrich uranium? What causes shingles? Dr Chris Smith and Clarence Ford have the answers... Like this podcast? Please help us by supporting the Naked Scientists

Do the newly released UFO files matter? Why do people tend to live longer in the 21st century? Why do women live longer than men on average? What impact does excess rainfall have? Why might you lose phone signal when you turn on a microwave? Should we open our windows in high winds? Is climate change causing more CO2 to be released from the sea? Dr Chris Smith and Clarence Ford have the answers... Like this podcast? Please help us by supporting the Naked Scientists