Incoming! NASA's acting head of planetary defence, Kelly Fast, discusses asteroids, YR2 and how to protect our planet. The UK Space Agency's head of Earth Observation and Climate, Beth Greenaway, and chief scientist, Shaun Quegan, discuss the upcoming European Biomass mission to measure how much carbon is being stored in tropical forests. And Kelly Weinersmith - co-author of A City On Mars - explains why living on the red planet will be much harder than anyone thought... Like this podcast? Please help us by supporting the Naked Scientists

We're taking you through the looking glass to explore 'mirror life': could we be about to flip biology on its head? Like this podcast? Please help us by supporting the Naked Scientists

Dan wants to know what the likelihood is of him being here if neither him, his parents, nor his grandparents had had any vaccinations. James Tytko sought to provide an answer, with the help of Helen Bedford, Professor of Children's Health at UCL... Like this podcast? Please help us by supporting the Naked Scientists

Dr Chris answers the usual spectrum of science questions from listeners to CapeTalk, including; are sweeteners bad for our cardiovascular health? If a mother has hypoglycemia while pregnant, what happens to the baby? Why did I have cravings during my wife's pregnancy? How does science track dangerous asteroids headed for Earth? Like this podcast? Please help us by supporting the Naked Scientists

In this edition of The Naked Scientists: A new screening test for prostate cancer that can, the inventors claim, accurately catch 96% of cases, and early. Also, why you might want to eschew artificial sweeteners: a new study suggests they can accelerate arterial disease. And, scientists show that turtles can sense magnetic fields to find their way around... Like this podcast? Please help us by supporting the Naked Scientists

This episode of Naked Neuroscience is co-published on the Naked Scientists Podcast. James Tytko examines one of the largest causes of disability amongst the young: multiple sclerosis. We hear from Lara Kingsman who is living with MS, doctors at the University of Cambridge take us inside the brain to help guide interventions, and the MS Society tell us about their innovative drug trial in collaboration with UCL to help find new treatments... Like this podcast? Please help us by supporting the Naked Scientists

In this edition of The Naked Scientists, we're looking into multiple sclerosis, following the progression of the condition from relapses to neurodegeneration, asking, can we halt the disease in its tracks? Like this podcast? Please help us by supporting the Naked Scientists

Thanks to Philippa Browning for the answer! Like this podcast? Please help us by supporting the Naked Scientists

In this edition of The Naked Scientists: A particle with a record-breaking energy is discovered: but where did it come from? Also, damaged hearts healed using stem cell "patches" of tissue: human clinical trials are about to kick off. And, the project using quantum mechanics to revolutionise the London Underground... Like this podcast? Please help us by supporting the Naked Scientists

Do atoms carry memory of information? What happens when dopamine circuits are interrupted? Why might you hiccup when you shave? Why do both kidneys fail when they're separate? Could a falling bullet injure you? Is it important to be de-wormed? Dr Chris Smith and Relebogile Mabotja have all the answers... Like this podcast? Please help us by supporting the Naked Scientists