Naked Scientists Ask The Naked Scientists SA

Ask The Naked Scientists SA

Why scratch your head if you don't know the answer? What about the Earth made the dinosaurs so big? Why does the Universe spin? Is the Sun seem brighter in the morning than the evening? Are autistic people particularly at home with computers? Why do effervescent tablets fizz only in water? Why do Parkinson's patients sleepwalk without difficulty? Plus, news of a decoy molecule that can treat dwarfism and what earwax has revealed about blue whales...
Occasionally English United Kingdom Science
619 Episodes
1 – 20

Does your life flash before your eyes when you die?

Why do birds stand on one leg? Which animals can we eat, and which can we not? Does your life flash before your eyes when you die? Does a plug's wiring orientation matter? Why does hearing water make you need the toilet? Does anything travel alongside the ISS? Dr Chris…
15 Feb 17 min

How much rainfall becomes groundwater?

Dr Chris Smith answers listener questions including, how can we communicate science better? How much distance do we travel through space each second? Why might I feel stomach pain when I'm hungry and I take a cold drink? What causes people to feel sleepy when they're near a pregnant woman?…
8 Feb 16 min

How does the Sun transfer heat to the Earth?

Chris Smith takes on listener questions, including: How far out to sea do seagulls fly? How is the malaria vaccine rollout going? Why does hot weather make your muscles more tired? What is the hottest temperature humans can survive? How do vultures track their lunch? How do some people retain…
2 Feb 15 min

What is ultra processed food?

Chris Smith takes on listener submitted questions including, why do people disagree so much on what temperature to set the heating? Where do swallows and swifts go in the winter? Is it true that parrots don't have taste buds? And, what is dry ice? Like this podcast? Please help us…
26 Jan 17 min

Do mosquitoes prefer certain people?

Why might chilli cause an upset stomach? How does a boomerang work? What's the difference between 50Hz and 60Hz of energy? Why does Saturn have a hexagon? Are stars moving away from us? How do we know how large underground oil deposits are? Why aren't cameras as good as out…
18 Jan 19 min

Why doesn't the Earth make wind as it moves through space?

Why kind of gas is in a gas giant planet? Can you do anything about sleepwalking? What causes stutters and speech impediments? Does blowing out birthday candles spread germs onto the cake? Why don't we feel the wind from moving through space? What are shooting stars? Why don't we have…
11 Jan 20 min

Where did Earth get its water from?

In the first Ask! of 2024, Dr Chris Smith tackles questions on UV rays, Fahrenheit vs Celsius, whether the Three Gorges Dam could be slowing down the Earth's rotation, what drives dictators to do bad things, whether neutrinos pose a threat to humans, and what happens to our bodies after…
5 Jan 19 min

Are some wildfires beneficial?

Are some wildfires beneficial? What is the worst case scenario for climate change? What causes lactose intolerance? Does sunscreen cause a vitamin D defiency? Why do blind people still move their eyes around when thinking? Why do we scratch itches? Dr Chris Smith and Clarence Ford have all the answers…
22 Dec 2023 23 min

Does Mercury have a moon?

This week, a Christmas surprise in Dr Chris's tree that he'd rather not have brought home; should I drink water from aircon machines or even vehicle exhausts, will coffee make me live longer, is the flag planted during the Moon landing still there, what's the scientific basis of itching, which…
17 Dec 2023 19 min

What is the science behind a midlife crisis?

What is the science of a midlife crisis? Can you store stainless steel in the fridge? Where do flies go in the winter? Could you make food directly from soil? Do the sun and the moon change positions in the winter? Why does the mouth generate saliva? How do worms…
7 Dec 2023 15 min

Are scientific discoveries becoming less groundbreaking?

Dr Chris and Clarence Ford take on listener questions. This time they include, is intelligence more nature or nurture? Is time travel possible? Could time travellers be walking among us? Are Tibetan monks really capable of levitating? Why do I feel down during the holidays? What are the differences between…
1 Dec 2023 24 min

Will we be able to put the AI genie back in the bottle?

Should we ban AI from the military sphere? Does eating too much meat cause gout? What determines the shape of clouds? Are recycled tyres a safe material for roads? Like this podcast? Please help us by supporting the Naked Scientists
24 Nov 2023 19 min

Should you sleep on your side or your back?

Does COVID damage your brain? Why do moths have 'dust' on their wings? Where did the oldest plants come from? Is it better to sleep on your side or your back? Who is the top dog in a pack when humans aren't around? What is your pineal gland for? Why…
16 Nov 2023 21 min

Does alcohol burn off in cooking, and is curiosity genetic?

Does alcohol burn off during cooking, why people put their principles in front of their own life and freedom, what causes ageing and can gene editing be used to reverse it, and is curiosity genetic across species? And does Dr Chris believe in God? Relebogile Mabotja and Dr Chris Smith…
14 Nov 2023 16 min

Why does music make me emotional?

Dr Chris takes more listener questions. This week, they include: Why do the sun and the moon appear the same size during a lunar eclipse? How long does it take bowel movements to return to normal after a colostomy? Can you prick a balloon without popping it? Is an enlarged…
10 Nov 2023 22 min

How long do dreams actually last?

How does a boomerang work? Are windturbines harmful to birds? Which are smarter, dogs or cats? Can you breathe liquid air? How do racecar spoilers work? How long are dreams in real time? What affects systolic blood pressure? Dr Chris Smith and Clarence Ford have all the answers... Like this…
2 Nov 2023 22 min

What causes amnesia?

In this edition of Ask!, Dr Chris answers these questions and more: Do pineapples really eat you as you eat them? Do they have any health benefits? And why am I gaining weight as I go through the menopause? Like this podcast? Please help us by supporting the Naked Scientists
27 Oct 2023 17 min

Why is cancer so hard to treat?

Can fasting help with gut health? Why is cancer so hard to treat? Does a change in the weather lead to joint pain? How do you deal with chronic constipation in children? Dr Chris Smith and Relebogile Mabotja have all the answers... Like this podcast? Please help us by supporting…
19 Oct 2023 12 min

Why are there 7 years in a dog year?

What is our water carbon footprint? Does microwaving food destroy the nutritional value? Why do golf balls have dimples? Should we be desalinating water? Why are breastfed babies less likely to become obese? How did we calculate a dog year? Why do we always look at something that we're told…
12 Oct 2023 24 min

Does eating grapefruit affect taking medication?

Does prior infection or vaccine protect better against COVID? How do you know when something is wrong with your bowels? What is the difference between old and new vaccines? What effect does grapefruit have on taking mediaction? What are the chemical markers that someone is pregnant? Chris Smith and Relebogile…
5 Oct 2023 18 min
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