Today, how the brain harnesses immune cells to clear burned out fats during sleep: does this protect from Alzheimer's disease? Also, the nutrient-rich guano of seabirds that shaped society in ancient Peru, fast footage reveals how kangaroos hop faster at no extra energy cost, and how horses whinny! Like this podcast? Please help us by supporting the Naked Scientists

Our Titan of Science this week is leading light in the field of malaria, Jane Carlton. The first to sequence the genome of malaria parasite Plasmodium vivax, she also helped sequence the deadlier Plasmodium falciparum. Jane tells Chris Smith the ins and outs of malaria, her journey to become Director of the Malaria Research Institute at Johns Hopkins, and how stealing her brother's genetics textbook when she was just 8 years old led her to where she is today... Like this podcast? Please help us by supporting the Naked Scientists

This week, we look into the science behind Russian opposition leader Alexei Navalny's death, caused by dart frog poison, and why Russia resorted to such an exotic means of dispatch at all. Also, how cat cancer genomics can provide new insights into human malignancies, and - more with a whimper than a bang - how a dying star skipped the supernova and became an instant black hole. Plus, Barack Obama's stance on aliens sends conspiracy theorists into a frenzy... Like this podcast? Please help us by supporting the Naked Scientists

This week, in partnership with British Heart Foundation, we explore heart failure. Leading experts from the UK's largest independent funder of cardiovascular research tell us about the condition, the symptoms to look out for, what happens when a heart fails, how heart failure has traditionally been managed, and whether it is possible to regenerate a damaged heart... Like this podcast? Please help us by supporting the Naked Scientists

This week, we discuss a new antibody-based nasal spray that protects against the flu: how does it work? Plus, the tiny self-replicating molecule that may give clues to the origins of life on Earth, whether we should regulate "mirror life" research, and how bacteria protect oak trees from drought and other stresses... Like this podcast? Please help us by supporting the Naked Scientists

Coming up, we explore the tremendous impact mosquitoes have had throughout their evolution. In this episode, we break down what mosquitoes are, how they track down a meal, the diseases they carry, and the strategies that scientists are currently deploying to control them... Like this podcast? Please help us by supporting the Naked Scientists

This week, we examine a herpes zoster vaccination that can reduce or delay dementia diagnosis. How does it work? Plus, the BBC's Zoe Kleinman explains a social media site for AI chatbots, the discovery of microplastics in remote parts of the Pacific Ocean, and why the Artemis II launch has been delayed once more... Like this podcast? Please help us by supporting the Naked Scientists

Today, we take a closer look at motor neurone disease (MND), a progressive neurodegenerative disorder affecting the motor neurones that control voluntary muscle movement. This programme explores the clinical features of MND, what it is like to live with the condition, how it is diagnosed, and the current approaches to treatment and management... Like this podcast? Please help us by supporting the Naked Scientists

Coming up, a world-first gene cancer database is launched. How might it help us gain a better understanding of how disease develops? Plus, the link between vitamin D deficiency and respiratory infections, Austria's back-scratching cow, and SpaceX carries out its latest launch of Starlink satellites... Like this podcast? Please help us by supporting the Naked Scientists

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