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Question of the Week, from the Naked Scientists — Natural Sciences
Question of the Week, from the Naked Scientists

Each week we set out to solve one of the world’s weirdest, wackiest, funniest and funkiest scientific puzzles. And along with the answer there’s a brand new question to think about for next time…

Latest Episodes:

Why are sperm made below body temperature? Dec 14, 2020

Show notes

Jordan got in touch to ask ""Why do females produce eggs inside the body, at body temperature, but males have to produce sperm outside the body, at a lower temperature?" Eva Higginbotham put the question to reproduction expert William Colledge at the University of Cambridge... Like this podcast? Please help us by supporting the Naked Scientists

Compost or landfill: which emits more CO2? Dec 09, 2020

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Listener Robert asks: "does household composting release fewer greenhouse gases compared to a landfill?" Phil Sansom dug him up an answer, with help from environmental engineer Sintana Vergara... Like this podcast? Please help us by supporting the Naked Scientists

Could loud music deafen my dog? Nov 23, 2020

Show notes

Robyn got in touch to ask: "I often wonder when I listen to music in the car when my dog is with me: since they hear higher frequencies than humans, do they also perceive for example loud music louder than us?" To sniff out an answer, Adam Murphy spoke to Nancy Dreschel, a specialist in animal beaviour from Penn State University... Like this podcast? Please help us by supporting the Naked Scientists

How many people could share my surname? Nov 16, 2020

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Beata asked "If three hundred years ago there was one person with a certain surname, how many people could have their surname today?" Eva Higginbotham got mathematician James Grime to crunch the numbers... Like this podcast? Please help us by supporting the Naked Scientists

What time should I water my plants? Nov 09, 2020

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Kevin asks: "Does watering my veggie garden in the morning mean that water uptake will coincide with the intake of sunlight, and give my vegetables the best chance? Or is it just as good to water in the evening?" Phil Sansom dug out the answer by asking Anthony Bridgen from Cambridge University's Sainsbury Laboratory and Guy Barter from RHS... Like this podcast? Please help us by supporting the Naked Scientists

How do bats roost upside down? Nov 02, 2020

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Satish asks: "how does a bat sleep the whole day hanging from a tree? Won't being upside down affect blood circulation?" Phil Sansom went to find the answer, with help from Western University's Brock Fenton... Like this podcast? Please help us by supporting the Naked Scientists

Which water is better: hard or soft? Oct 20, 2020

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Hard... or soft? That's the watery wrangle on which listener Jo asked us to weigh in. She said: "my question is about drinking water. We drink gallons of the stuff in a lifetime, but which is better for us, hard or soft? My skin and hair prefer it soft, but what about teeth and bones? And which do our kidneys prefer?" Adam Murphy got the answer with the help of University of Cambridge chemist Ljiljana Fruk... Like this podcast? Please help us by supporting the Naked Scientists

Do insects have a stress response? Oct 05, 2020

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Charlie sent in this question "Humans have adrenaline for our fight or flight situation, do bugs have this too?" Eva Higginbotham put the question to insect-lover and expert, Eleanor Drinkwater from the University of York... Like this podcast? Please help us by supporting the Naked Scientists

Why does anxious sweat smell worse? Sep 28, 2020

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This week's question is a sweaty one! It comes to us from listener Margaret: "Why, why, why can I work in the yard and be covered in sweat for hours, and only stink a little; but reveal one personal thing to a group of friends, and immediately stink to high heaven?" Phil Sansom got the answer from the International Hyperhidrosis Society's Angela Ballard, and University of Cambridge physiologist Christof Schwiening... Like this podcast? Please help us by supporting the Naked Scientists

How would you measure time when in space? Sep 21, 2020

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This week we've been against the clock to get the answer to this question from David "What measurement of time would you use in travelling through space as a day, week, month or a year would become meaningless, and how would this affect the body clock?" Eva Higginbotham spoke to space sleep expert Cassie Hilditch, and also former NASA astronaut Steve Swanson, to find out the answer... Like this podcast? Please help us by supporting the Naked Scientists

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