In this edition of The Naked Scientists, we go nuclear, and explore the science and politics of weapons of mass destruction... Like this podcast? Please help us by supporting the Naked Scientists

Is an elephant really a close relative of a hyrax? What are blood groups? Is there really such a thing as a selfish gene? How did males and females evolve? What makes us feel sleepy? And how can chickenpox be lethal? Join Dr Chris and Clarence Ford as we ask the Naked Scientist! Like this podcast? Please help us by supporting the Naked Scientists

In this edition of The Naked Scientists: Among British people vapers now outnumber smokers for the first time. From Big Bang to Big Crunch - the new theory showing the expansion of the Universe might be slowing down. And, evidence that our early ancestors, three million years ago, may have excelled at DIY!Linda - So these are the annual population survey statistics from the Office for National Statistics that look at smoking, it was the main focus, so smoking in the UK but also vaping behaviour. And we see that for the first time the proportion of people aged 16 and older who vape is higher... Like this podcast? Please help us by supporting the Naked Scientists

Sue Nelson and Richard Hollingham get up-close with a Moon lander taking shape at Astrobotic in Pittsburgh. The first woman to pilot and command the Space Shuttle, Eileen Collins, discusses a new film about her life: Space Woman. Plus, two new space quilts, complete with UFOs, at the Royal Astronomical Society... Like this podcast? Please help us by supporting the Naked Scientists

In this edition of The Naked Scientists, we go behind the scenes at the National Physical Laboratory as it celebrates 125 years at the forefront of science... Like this podcast? Please help us by supporting the Naked Scientists

Are some people missing arm muscles? Are there other muscles that we're losing? Can bats and moles actually see? Can the side effects of prostate surgery be reversed? Is there a cure for Dupuytren's contracture? Do we know what long COVID is? What are bluebottle jellies? Can we protect our food from microplastics? Should you get a rabies check after every dog bite? Dr Chris Smith and Saskia Falken have all the answers... Like this podcast? Please help us by supporting the Naked Scientists

John writes in wondering whether the 10,000 steps rule applies eqully to everyone, given the range of body types and fitness among the population. James Tytko wondered where the 10,000 number came from in the first place, and sought an answer to John's question with the help of Dr Raj Amarnani, Consultant in Sport, Exercise and Muscoskeletel Medicine... Like this podcast? Please help us by supporting the Naked Scientists

In this edition of The Naked Scientists: How the latest science helped the Caribbean prepare for Hurricane Melissa. Also ahead, the alcohol-free beers providing a 'buzz' without the hangover. And, why a German warehouse is simulating a European Moon landing... Like this podcast? Please help us by supporting the Naked Scientists

Today, in association with Proteomics International, we're hearing about a new era in medicine where we can tell people not what diseases they've got, but what ones they will have in ten years' time, giving them a chance to turn things around... Like this podcast? Please help us by supporting the Naked Scientists

What happens to helium balloons that float away? Are satellites safe from terrorist attacks? Why does the truth hurt? Why does some poo float after flushing? Are there any treatments for tinnitus? Do headphones contribute to tinnitus? What are restless legs? What is the best way to regulate cortisol levels? Why does the body wake us up to wee? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists