Titans of Science is back with John Zarnecki, a towering figure in the UK's space community. He has played a crucial role in designing instruments for groundbreaking space missions, and has also helped shape Europe's planetary science programme. In this episode, John shares compelling stories from his career with Chris Smith - including the significance of the Cassini-Huygens mission to Titan, the value of the Hubble Space Telescope, and his early work on rockets in Australia... Like this podcast? Please help us by supporting the Naked Scientists

Why does a glass of water help settle a sore throat? What are the best ways to help heal a slipped disc? Which part of the brain helps us make decisions? What causes stuttering in speech? If a fly is travelling in a fast car, is it travelling at the same speed as the car? And at what age is our brain fully developed? Dr Chris Smith and Clarence Ford have the answers... Like this podcast? Please help us by supporting the Naked Scientists

Why does a glass of water help settle a sore throat? What are the best ways to help heal a slipped disk? Which part of the brain helps us make decisions? What causes stuttering in speech? If a fly is travelling in a fast car, is it travelling at the same speed as the car? And at what age is our brain fully developed? Dr Chris Smith and Clarence Ford have the answers... Like this podcast? Please help us by supporting the Naked Scientists

Why does a glass of water help settle a sore throat? What are the best ways to help heal a slipped disk? Which part of the brain helps us make decisions? What causes stuttering in speech? If a fly is travelling in a fast car, is it travelling at the same speed as the car? And at what age is our brain fully developed? Dr Chris Smith and Clarence Ford have the answers... Like this podcast? Please help us by supporting the Naked Scientists

This week, a blood finger-prick test has been developed to detect Alzheimer's disease before symptoms arise. But how accurate is it? Plus, tracking space debris reentry from their sonic booms with earthquake-detecting seismometers, what happens in our noses when we are infected by the common cold, and the plants that use heat to get pollinated by beetles... Like this podcast? Please help us by supporting the Naked Scientists

This week, we're looking at a major study that is following the development of children born in the UK in 2026. It's called Generation New Era, and in this episode we hear from the team leading the research: how they plan to run it, what earlier cohort studies have revealed, and what they hope to discover this time around. The study has been funded by public investment from UKRI, and their Economic and Social Research Council... Like this podcast? Please help us by supporting the Naked Scientists

Sue Nelson and Richard Hollingham are joined by member of the first crew to fix a satellite in orbit, Terry Hart. He discusses this month's Challenger 40th anniversary, and the spy satellite NASA used to check for Shuttle damage. The team also talk space emergencies with the UK Space Agency's senior exploration manager Meganne Christian, and space journalists Ken Kremer and Andrew Cook look ahead to 2026 in space. Like this podcast? Please help us by supporting the Naked Scientists

This week, China's attempts to build a new "mega-embassy" in London, but are there security risks? Plus, the UK plans to build a record number of offshore wind farms for cleaner energy, the impact of TV screens and tablets on speech development in toddlers, and NASA's first-ever medical evacuation from the International Space Station... Like this podcast? Please help us by supporting the Naked Scientists

Why does knocking your elbow unleash a distinctive "funny bone" jolt? Are we born with a sense of thirst? What are we seeing when we see things glow under ultraviolet? Why do our minds cling tightly to bad experiences? How do phones see the Northern Lights, even when we cannot? And do the planets in our solar system all move in the same direction? Dr Chris Smith and Clarence Ford have the answers... Like this podcast? Please help us by supporting the Naked Scientists

This week, we've partnered with Frontiers as they aim to push science to the top of the agenda at the World Economic Forum in Davos. It comes as the publisher's Frontiers Science House prepares to welcome some of the most influential voices in fields like healthcare, sustainability, and energy to their gathering in Switzerland. In this programme, we hear from them, and find out why it's time for leading policy-makers to fully engage with the best that science has to offer... Like this podcast? Please help us by supporting the Naked Scientists