In this episode of Ask! Dr Chris is asked: what is ivermectin? Are sodium ion batteries a rival to lithium? Is the Earth spinning slightly faster? Why do we warn against using phones around petrol stations? Like this podcast? Please help us by supporting the Naked Scientists

Leonard is asking how one acquires Lyme disease, and how doctors diagnose it. James Tytko asked Jack Lambert, Professor and Consultant in Infectious Diseases at Mater Misericordiae University Hospital, for help to find an answer. Like this podcast? Please help us by supporting the Naked Scientists

This week, the cells that vanish when we slim down: are these the link between obesity and health problems like diabetes? Also, the bacteria that might be able to shield us from the "forever chemicals" we're all eating. Plus, why will 3 days over the next month be a millisecond shorter than they should be? Like this podcast? Please help us by supporting the Naked Scientists

As the global population heads toward 10 billion, the pressure on agriculture is mounting. With that in mind, the UK's Advanced Research and Invention Agency (ARIA) has announced millions of pounds worth of funding for crops enhanced through synthetic biology by designing entirely new chromosomes and chloroplasts, starting with the potato, as Angie Burnett, the ARIA Programme Director and plant biologist leading this initiative explains to Marushka Soobben... Like this podcast? Please help us by supporting the Naked Scientists

In this edition of The Naked Scientists, we pay a visit to Cambridge University Botanic Garden to ask 'can genetics help grow a better garden?' Like this podcast? Please help us by supporting the Naked Scientists

In the news, counting the calories: The UK government want shops to help us put 100 fewer calories in our baskets to beat obesity. So will it work? Also, archaeologists uncover the world's oldest fat factory - it turns out that Neanderthals were processing bones for their grease 125,000 years ago, but why? And on Mars the Curiosity rover captures close-up images of spiderweb-like patterns on the planet surface, but what made them? Listeners are also wondering whether green initiatives really do help to save the planet... Like this podcast? Please help us by supporting the Naked Scientists

Do we have another comet visiting from outside the solar system? What is Oumuamua? Is the Ring of Fire amping up in activity? Is leukaemia genetic? Does exposure to certain chemicals increase your risk of cancer? Why are early health screenings so important? How do you measure the risk of certain health treatments? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists

Simon wants to know, since we saw a dip in greenhouse gas emissions during the pandemic, why haven't we seen climate change slow down? Is green technology part of the problem? James Tytko took on his question with the help of Shaun Fitzgerald, Director of the Centre for Climate Repair at the University of Cambridge... Like this podcast? Please help us by supporting the Naked Scientists

This episode of was produced and presented by Dr Marushka Soobben, a scientist from South Africa who's been taking part in an internship here at the Naked Scientists. And this week, a journey into the world of proteins. What are they? why do they matter? And why did predicting their shapes win a recent Nobel prize? Like this podcast? Please help us by supporting the Naked Scientists

Will China now get to the Moon first? NASA's former head of science, Thomas Zurbuchen, joins Space Boffins to discuss the proposed cuts to NASA's science budget. Richard visits SSTL to see an innovative European Space Agency mission, HydroGNSS, that uses satellite navigation signals to measure water from space. And authors Bruce McCandless III and Emily Carney share stories and songs from their new book, Star Bound, and talk Gemini, Skylab and an angry NASA memo. Like this podcast? Please help us by supporting the Naked Scientists