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Ask the Naked Scientists — Life Sciences
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!

Copyright: © The Naked Scientists

Latest Episodes:

Does digital data weigh anything? Aug 06, 2021

Show notes

How do African animals withstand extreme cold in the Kalahari? Does the data we're all generating and storing weigh anything? How does relativity relate to the real world? Why do we run Olympic races in the direction we do? Is the ozone hole disappearing now? Were left handers less able to defend themselves back in history? Is a germinating seed making new matter? And will volcanoes eventually empty the Earth of magma? Lester and Chris have the answers... Like this podcast? Please help us by supporting the Naked Scientists

Are we at peak human Olympic performance? Jul 24, 2021

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Why do some forms of heater seem to warm a room up faster? What's the different between Alzheimer's Disease and dementia? Are aluminium cooking utensils a risk factor for Alzheimer's? Can magic mushrooms control dementia, or other mood disorders? How do we know what's inside the Earth, and did we collide with another planet during Earth's past? Are microwaves a risk for cancer? Is there a limit to human Olympic performance? Like this podcast? Please help us by supporting the Naked Scientists

Why does squinting sharpen vision? Jul 17, 2021

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In this week's show, recorded before the Euro 2021 final, Dr Chris explains why Inuits survive on polar fare with impunity but Shackleton's crew developed nutritional deficiency when they were stuck in the Antarctic. Also, why laser beams are bad for goalkeepers, if energy drinks are dangerous, why squinting sharpens vision, if there humans with better senses than average, and what is meant by the percentage chance of rain? Like this podcast? Please help us by supporting the Naked Scientists

Electric eels to power the national grid? Jun 28, 2021

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Can electric eels power the national grid? What does 5% alcohol in a beer really mean? Does alcoholic hand cleanser ruin your fingerprints? Why does warm water on cold feet feel scalding hot? Is behaviour genetic - do I inherit my mood from my dad? Join Dr Chris and Azania Mosaka as they unravel the answers... Like this podcast? Please help us by supporting the Naked Scientists

What happened to the Wankel Rotary Engine? Jun 18, 2021

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This week, what happened to the Wankel Rotary Engine; why does air become thinner at altitude and thicker at depths; and why do I need to blow my nose vigorously when I first wake up but not at other times of the day? Also, what are the best pollinators, what's the evidence for macro-evolution, why do many great discoveries get discovered at the same time by independent workers, and what happens in the brain during hypnosis. Join Dr Chris and Lester Kiewit for the answers... Like this podcast? Please help us by supporting the Naked Scientists

Why don't tennis players get one massive arm? Jun 16, 2021

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Which is better, male or female? Why does one nostril sometimes seem to work better than the other? Why do some birds hop but others waddle? What's monosodium glutamate and what does it do to food? Why are other people's farts harder to tolerate? What causes multiple pregnancies? Why do we sometimes feel cold? And why don't professional sportsmen, like tennis players, not end up with one massive dominant arm? Join Dr Chris Smith and Lester Kiewit for the answers... Like this podcast? Please help us by supporting the Naked Scientists

How do bees make honey? Jun 07, 2021

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Why might it feel colder at daybreak compared with during the night? What's the best gap between doses for Covid-19 vaccines? What causes albinism and can albinos do anything to make their skin darker? What are stretch marks? And how do bees make honey? Join Dr Chris and Azania Mossaka for the answers... Like this podcast? Please help us by supporting the Naked Scientists

Can dogs detect Covid-19? May 28, 2021

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This week how medical detection dogs are sniffing out Covid-19 with 94% success rates, the force powering the expansion of the Universe, how a master key works, whether parallel universes are more fact than fiction, what was Dr Chris's favourite science subject at school, what causes bad dreams, what triggers early labour, and should a Covid-19 recoveree get vaccinated? Like this podcast? Please help us by supporting the Naked Scientists

Why sugared cucumber might taste like melon May 21, 2021

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This week, expiry dates on vaccines, what is a smell and how does the body's olfactory (smelling) system work? Why does the smell of fruits change during the ripening process? Why might sugar on cucumber taste like melon? Do some people inherit genes that mean some smells are inapparent to them? When clouds disappear, where have they gone? How does a cell phone touchscreen work? And why do car exhausts seem to last longer these days? Like this podcast? Please help us by supporting the Naked Scientists

Why won't water burn? May 08, 2021

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This week, the Covid-19 crisis in India and why it's happening, we discuss why water, despite being replete with hydrogen and oxygen which burn readily, is incombustible, we talk through the safety profile of the coronavirus vaccines, find out why shaking the remote control can apparently bring dead batteries back to life, and touch on the ageing process. We also bid farewell to Kieno, who is departing for pastures new... Like this podcast? Please help us by supporting the Naked Scientists

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