Naked Scientists

Do our digital lives leave us cognitively exhausted? Should we see a doctor when we are overly tired? How bad are processed foods for us? Is it safe to eat food you have dropped on the floor? Why do certain foods make us feel nauseous? And does laser hair removal work? Dr Chris Smith and Relebogile Mabotja have the answers. Like this podcast? Please help us by supporting the Naked Scientists

Coming up: England's mental health services are reportedly in "crisis", with over 1 million children referred. What is driving the uptick? Plus, new research suggests that antibodies protect against norovirus, strategies to improve plastic recycling rates, and insights into the bilingual brain. Like this podcast? Please help us by supporting the Naked Scientists

Coming up, Rachael Ralph explores the role of science in music. At Trinity College, Cambridge, engineer Hugh Hunt demonstrates how sounds are made; Ian Cross discusses turning experimentation into music and instruments; Trinh Nguyen examines music and development in babies; and Jacopo de Berardinis explains AI's role in the 21st-century music revolution. Like this podcast? Please help us by supporting the Naked Scientists

Why is Europe experiencing a heatwave? What happens if a being from a different dimension enters our dimension? Why are wombats able to produce square-shaped faeces? Can we live without sodium? Is there a scientific explanation for xenophobia? Why did the Lincoln Memorial Reflecting Pool turn into a green swamp? What causes early morning phlegm, even without a cold? Dr Chris Smith and Clarence Ford have the answers... Like this podcast? Please help us by supporting the Naked Scientists

Coming up, most of Europe smashes June temperature records. But what is the 'heat dome' that's driving this extreme weather? Plus, why HPV vaccine rates are declining despite a huge reduction in cervical cancer deaths; Sonia Shah on her book The Fever: How Malaria Has Ruled Humankind for 500,000 Years; and former Astronomer Royal, Lord Martin Rees, on aliens. Like this podcast? Please help us by supporting the Naked Scientists

Coming up, we explore the life and times of our ancient ancestors, and what they can teach us. In this episode, Lee Berger tells us about the Homo Naledi species that ritualistically buried their dead; George Nash on remarkable cave paintings in South Wales; Andrea Manica explains how our ancient ancestors evolved sickle cell to sidestep malaria; and Rod Flower on our forebears making medicine and mind-altering drugs. Like this podcast? Please help us by supporting the Naked Scientists

Why does our hair stand up when we are scared? Does the animal kingdom experience colour differently? How do cats purr without running out of breath? Can certain types of medication cause tinnitus? What benefits does vaccination afford us? And why do some people struggle to recognise faces? Chris Smith and Clarence Ford have the answers... Like this podcast? Please help us by supporting the Naked Scientists

Coming up, the UK follows Australia's lead in introducing age-related restrictions on social media. But do they work? Plus, how biologists are fighting infection from inside cells; researchers trace the origins of cotton to Mexico; and Elon Musk becomes the world's first trillionaire. How might he spend his fortune? Like this podcast? Please help us by supporting the Naked Scientists

Coming up, we explore the summer solstice and its enduring connection with Stonehenge. Larissa Palethorpe at the University of Bristol explains the astronomical significance of the summer solstice; Jennifer Wexler at English Heritage on the origins of Stonehenge; Richard Bevins at the University of Aberystwyth on the geology of the famous stones; and Vincent Gaffney at the University of Bradford on whether Stonehenge is part of a much broader landscape. Like this podcast? Please help us by supporting 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