Ask the Naked Scientists

The virtual reality system for visualising molecules, where Covid-19 came from, what would a brain transplanted individual experience, where did all the dust go when Beirut blew up recently, and why is smoking addictive? Join Dr Chris Smith and Talk Radio 702's Azania Mossaka as they delve into the answers... Like this podcast? Please help us by supporting the Naked Scientists

How a tiny spider can spin so much silk, how the moon's cycle affects human behaviour, the effect of body weight on bone mass, the reason people have consciences, and the way to become a scientist all get discussed this week. Join Dr Chris Smith and Kieno Kammies for the answers... Like this podcast? Please help us by supporting the Naked Scientists

Hyenas everywhere in the Kruger, but why so many? How does the human skeleton respond to changing body weight? Why remove and dump a whale carcass when it would rot down naturally? How long does the Covid-19 coronavirus remain viable in the body? Why is the sky blue? And is there a probiotic answer to body odour? Join Dr Chris Smith and Talk Radio 702's Azania Mosaka to find out the answers... Like this podcast? Please help us by supporting the Naked Scientists

Donald Trump diagnosed with Covid-19, SNP MP Margaret Ferrier takes two trains despite coronavirus infection, and the answers to why toddlers have potbellies? Can free-divers get the bends? How does sunscreen work? What's actually inside a black hole? And why do we itch, and what's the point? Join Dr Chris Smith and Kieno Kammies from 567 CapeTalk as they shoot the scientific breeze... Like this podcast? Please help us by supporting the Naked Scientists

Would a baby exposed to 5 languages from birth learn all of them? Toilet bleach: what's best, thick or thin? Are new varieties of fruits equally good for you? What's the proof for absolute zero? How are radio and TV audiences measured? What causes high pitched sounds in the ear that appear to come from nowhere? Join Chris Smith and Kieno Kammies for the answers... Like this podcast? Please help us by supporting the Naked Scientists

How do different tasks recruit different parts of the brain? What's the story of potential life on Venus? How long to boil the perfect egg? What's homocysteine and how much is a safe level in the blood? How does alcohol in hand sanitiser work? What's the most intelligent animal? Are smartphones changing our brains? And does same sex attraction occur in wild animals as well as humans? Join Dr Chris Smith and Kieno Kammies for the answers... Like this podcast? Please help us by supporting the Naked Scientists

What causes new infections, like Covid-19, to emerge in the first place? Why does the same temperature seem to feel colder in the day than it does at night? Why have we locked down the world for Covid-19 when it seems less serious than we first thought? We also talk about the symptoms of long-Covid, and explain how the heart formed back in evolutionary history, with Dr Chris Smith and 567 CapeTalk's Kieno Kammies... Like this podcast? Please help us by supporting the Naked Scientists

Why does sugar get onion smells off my skin? Are aluminium cooking pots harmful to health? Why don't hail stones make holes in leaves? What causes heart palpitations? If we all went swimming at the same time, by how much would the sea level rise? Why are covid swabs so long? How are fibre optic data transmission rates so high? Why can I hear my own heart in my ears? Join Dr Chris Smith and 567 CapeTalks Koketso Sachane to find out... Like this podcast? Please help us by supporting the Naked Scientists

At what temperature does the new coronavirus survive the best? Is there a tension between science and religion? Are food additives harmful? Why is covid aysymptomatic in some people, and when are we infectious? Where does the Earth stop and space begin, and do we switch off our sensation when we go to sleep? Dr Chris and Talk Radio 702's Azania Mosaka have the answers... Like this podcast? Please help us by supporting the Naked Scientists

Join Dr Chris and 567 CapeTalk's Kieno Kammies to hear why certain sounds make us shudder, whether you should sunbathe in winter, why Donald Trump is orange, what makes a crescent moon, why animals can eat venomous snakes and not be poisoned, the evidence that we really went to the moon, how is electricity made, and what is the best way to manage insomnia? Like this podcast? Please help us by supporting the Naked Scientists