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Ask the Naked Scientists: Daily Summaries Delivered
by Dr Chris Smith
How many organs could you donate and remain alive? How many planet Earths could fit inside the Sun? How high is a giraffe's blood pressure? Why is the sea blue? To find out, Ask The Naked Scientists!
Latest Episodes
The most recent episodes — sign up to get AI-powered summaries of each one.
- 5 days ago25 min
Why a helium balloon flies backwards when you hit the brakes
How can algae microbots deliver drugs for bladder cancer? Why does a helium balloon fly backwards when you hit the brakes in a car? Does the Sun make ash? Will removing your gallbladder affect your cholesterol? Is there a symbiotic relationship between spiders and antelopes? Can cloud seeding affect rainfall? What causes restless legs? Why are global sperm counts dropping? And what holds the universe together? Dr Chris Smith and Clarence Ford have the answers... Like this podcast? Please help us by supporting the Naked Scientists
- 1 weeks ago22 min
Why do wombats have cube-shaped poo?
Dr Chris Smith and Clarence Ford return to answer your questions. Why do wombats produce cube-shaped droppings? Does sleeping position affect dreams? Can we predict penalty shootout winners? What do penalty statistics show about power vs placement? What are the pros and cons of statins? Is a cloned tree's DNA young or old? Why do golf balls have dimples? Could you outdrive Rory McIlroy on Mars? Like this podcast? Please help us by supporting the Naked Scientists
- 2 weeks ago13 min
What happens before we have a thought?
What is the impact of being a child in a home where a sibling has a chronic medical condition? What happens before we have a thought? How bad are processed foods for us? And how can a woman give birth to twins that have different fathers? Dr Chris Smith and Relebogile Mabotja have the answers. Like this podcast? Please help us by supporting the Naked Scientists
- 3 weeks ago14 min
Is it safe to eat dropped food?
Do our digital lives leave us cognitively exhausted? Should we see a doctor when we are overly tired? How bad are processed foods for us? Is it safe to eat food you have dropped on the floor? Why do certain foods make us feel nauseous? And does laser hair removal work? Dr Chris Smith and Relebogile Mabotja have the answers. Like this podcast? Please help us by supporting the Naked Scientists
- Jun 26, 202622 min
Why did the Lincoln Memorial Reflecting Pool turn green?
Why is Europe experiencing a heatwave? What happens if a being from a different dimension enters our dimension? Why are wombats able to produce square-shaped faeces? Can we live without sodium? Is there a scientific explanation for xenophobia? Why did the Lincoln Memorial Reflecting Pool turn into a green swamp? What causes early morning phlegm, even without a cold? Dr Chris Smith and Clarence Ford have the answers... Like this podcast? Please help us by supporting the Naked Scientists
- Jun 19, 202623 min
How do cats sustain a purr-fect purr?
Why does our hair stand up when we are scared? Does the animal kingdom experience colour differently? How do cats purr without running out of breath? Can certain types of medication cause tinnitus? What benefits does vaccination afford us? And why do some people struggle to recognise faces? Chris Smith and Clarence Ford have the answers... Like this podcast? Please help us by supporting the Naked Scientists
- Jun 12, 202621 min
Are there sounds around us that we can't hear?
What's the impact of sodium on our heart health? Are there sounds around us that we can't hear? Why do teeth have nerves and a blood supply? What controls our emotions? Can other primates and mammals have colourblindness? Why can't certain organs regenerate themselves, whilst others can? Dr Chris Smith and Saskia Falken have the answers... Like this podcast? Please help us by supporting the Naked Scientists
- Jun 5, 202625 min
Why does a slice of toast land butter side down?
Do dolphins and whales yawn? Is yawning contagious in animals? What progress has been made on brain chip implants? What is the difference between kidney thrombosis and renal vein thrombosis? Why does a falling slice of toast land butter side down, and does fall height matter? Is it unsafe to receive the wrong blood type? Why are birds adapted to have birdsong? What keeps all the water up in a cloud? Why can I feel my phone buzz in my pocket when it's actually on the table? And how to improve blood iron levels? Dr Chris Smith and Clarence Ford have the answers... Like this podcast? Please help us by supporting the Naked Scientists
About Ask the Naked Scientists
How many organs could you donate and remain alive? How many planet Earths could fit inside the Sun? How high is a giraffe's blood pressure? Why is the sea blue? To find out, Ask The Naked Scientists!
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Frequently Asked Questions
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It's a free AI-powered email that summarizes new episodes of Ask the Naked Scientists as soon as they're published. You get the key takeaways, notable quotes, and links & mentions — all in a quick read.
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