Thanks to Cambridge University's Andy Wheeler for the answer! Like this podcast? Please help us by supporting the Naked ScientistsPar Dr Chris Smith

In this animal-themed edition of the news: What prompted scientists to put vampire bats on a treadmill? Also ahead: why medicinal leeches are returning to the UK's waterways. Plus, the spiders that know what kind of food will satisfy their dietary needs. Like this podcast? Please help us by supporting the Naked Scientists…

Why are we called The Naked Scientists? Why should you get sunlight in the morning? Why does bright light make you sneeze? Does luck have a pattern? Is there really such thing as bad luck? Do people who don't get sunlight have more health problems? Did our skin colour change because of agricultural reasons? Dr Chris Smith and Clarence Ford have all…

In this episode of Naked Neuroscience, James Tytko is investigating what harms smartphones might be inflicting on adolescents. He hears from a collective action group seeking to delay giving phones to their children, neuropsychologist Richard Cytowic describes the autism-like symptoms which arise from too much screen time, and we hear why a ban on …

On today's programme, we are going to examine attempts to end HIV/AIDS as a public health threat by the end of the decade.The AIDS pandemic is unarguably the worst health threat to confront the population in the modern era. We believe close to 100 million people have died of the disease so far since it first emerged in the early 1900s.It's proved a…

Dr Chris Smith answers questions from the listeners of CapeTalk. Including, why are pregnant women told to take folic acid? What causes ears to itch? Why is vomit yellow? Is there a relationship between organs of the body and areas of the skin? How effective is carbon dating? Like this podcast? Please help us by supporting the Naked Scientists…

Rick wants to know why the Canada geese he's been observing, who are preparing to migrate for the winter, are honking so incessantly while flying in formation. Viola Ross-Smith from the British Trust for Ornithology was on hand to help James Tytko with the answer... Like this podcast? Please help us by supporting the Naked Scientists…

This episode of The Naked Scientists: what's at stake at this year's UN climate summit in Azerbaijan? Also, the 80 million-year-old fossil revealing how birds came by their big brains; and why the UK's oldest satellite has wandered off over the Americas... Like this podcast? Please help us by supporting the Naked Scientists…

In this edition of The Naked Scientists, could weight loss jabs help shrink the size of the global obesity crisis... Like this podcast? Please help us by supporting the Naked ScientistsPar The Naked Scientists

Van writes in with, 'A friend is encouraging me to take a cancer screening test that screens for many different cancers. A review of one test says: "While overall it picks up 90% of stage 4 cancers, it only detects an average of 17% of stage 1 cancers. Yet it is being touted as a test that can detect cancer early." Are these tests worthwhile?' Jame…

Dr Chris and Clarence take on another selection of topics from across the scientific spectrum: Who were the victims of the Mount Vesuvius eruption? How does one get rid of ringworm? What are the effects of a low heart rate? If our internal body temperature is 37 degrees, why do we feel warm when it's 35 degrees outside? What is an eating disorder? …

New NICE guidance urges HRT as a first-line treatment for menopause symptoms, the enormous black hole that doesn't obey our existing laws of physics, and what DNA analysis is revealing about the people who inhabited Pompeii... Like this podcast? Please help us by supporting the Naked ScientistsPar The Naked Scientists

Initially, the upside to children having access to a supercomputer in their pockets seemed obvious: immediate access to the reams of educational information on the internet, seamless communications with their friends, a source of constant entertainment. But as mental ill health amongst our youngsters continues to rise, many are pointing to smartpho…

If dinosaurs hadn't been wiped out by a mass extinction event, would there have been room for humans to grow into the successful species we are today? That's what Colin wants to know, and James Tytko has promised to find the answer. He spoke with Dr Charlotte Kenchington from the University of Cambridge's Department of Earth Sciences... Like this p…

In this edition of The Naked Scientists: The UK detects its first case of the new Mpox variant, but some are saying what took us so long; also the discovery of a lost city beneath the jungle canopy in Mexico; and the robots helping Cambridge scientists understand the evolution of fish... Like this podcast? Please help us by supporting the Naked Sci…