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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:

Can teeth fillings tune in to radio waves? Feb 05, 2021

Show notes

This week we talk vaccines for Covid-19, especially the Novavax trial results, and hear why it might be possible to tune into radio waves with your teeth. We also discuss Covid and cytokine storms, bubbles in the Milky Way, where the sharks go during a tsunami and how radioactivity is used to power spacecraft... Like this podcast? Please help us by supporting the Naked Scientists

Are the Covid-19 vaccines safe? Jan 26, 2021

Show notes

This week, Dr Chris and Kieno Kammies talk Covid-19 vaccinations, explore whether ivermectin might be a helpful coronavirus drug, explain how maggots get into wounds, unpick what's in the Covid-19 vaccine, and talk nanoparticles... Like this podcast? Please help us by supporting the Naked Scientists

Am I a snake: my yawns spray saliva! Jan 22, 2021

Show notes

This week, journey times to Mars, how stars come by the matter inside them, why some people feel compelled to eat paper, how coronavirus antibody levels correlate with Covid-19 severity, whether water really goes down the drain in different directions on opposite sides of the Earth, and why a yawn produces a spray of saliva. Join Dr Chris Smith and Azania Mosaka for the answers. Like this podcast? Please help us by supporting the Naked Scientists

Can you swallow upside down? Jan 18, 2021

Show notes

This week, Aza catches coronavirus, Covid-19 vaccines, viral variants and where are the mutations in the SARS-CoV-2 genome, can you still swallow when you're upside down, how was Einstein proved right, and what causes cramp? Dr Chris Smith has the answers... Like this podcast? Please help us by supporting the Naked Scientists

Why do you float on the Dead Sea? Jan 11, 2021

Show notes

How do energy drinks give you a buzz? Why do planets orbit on a plane? Should we test for Covid-19 infection before we vaccinate? Do energy drinks cause diabetes? Why do you float on the Dead Sea? How does the Plimsoll Line on a boat work? When does Covid infectivity cease after death? What's your first and last organ to die? How do planets orbit? And what's the best way to get rid of rat poison? Join Dr Chris Smith for all the answers... Like this podcast? Please help us by supporting the Naked Scientists

Why car indicators flash at different rates Dec 18, 2020

Show notes

How do point of care tests for Covid-19 work? Are they any good? How infectious are people asymptomatically infected with Covid-19? Why do different car indicators flash at different rates? How do accents work and where do they come from? How many Earths could fit inside Jupiter, and what is the "giant red spot"? Does wearing a facemask have any negative health impacts? Do hailstorms only happen in the daytime? Join Dr Chris Smith and Tshego Modisane for the answers... Like this podcast? Please help us by supporting the Naked Scientists

Why is it dark in space? Dec 08, 2020

Show notes

An update on the Pfizer vaccine for Covid-19, the lotto likelihood of sequential winning numbers, why swallows congregate around motorway bridges, the logistics of keeping the Covid-19 vaccine cold, and why is it dark in space? Also, why is there a Covid-19 vaccine in 10 months but no HIV vaccine after 4 decades, would we still have tides without the Moon, and why is the Moon white since the sky is blue? Join Dr Chris and 567 CapeTalk's Kieno Kammies for the answers... Like this podcast? Please help us by supporting the Naked Scientists

Why shave sheep in winter? Dec 04, 2020

Show notes

Why shear a sheep in winter when it's cold? And can animals count? Why do geese and turkeys chase people? Also, how does coronavirus infection alter our sense of smell and taste? How do artificial sweeteners work? And when it comes to survival of the fittest, what constitutes "the fittest"? What brings asteroids onto a collision course with the Earth? Dr Chris joins Kieno Kammies to answer this week's crop of farmyard-inspired - and other - questions... Like this podcast? Please help us by supporting the Naked Scientists

Can we taste through our fingers? Nov 27, 2020

Show notes

Why did touching something make me taste metal? Also, what's the best liver detox, why does listening to loud music stop a stammer, does music help attention deficit disorder and is sunrise to the south even in the southern hemisphere. We also wonder whether perpetual motion is possible, why the sun can make some people sneeze, why ice cubes sometimes crumble, and how some fruits encourage others to ripen. Join Dr Chris Smith and Kieno Kammies for the answers... Like this podcast? Please help us by supporting the Naked Scientists

Why does my Coke froth up when I add ice? Nov 17, 2020

Show notes

Why does my Coke froth up when I add ice? How is an oesophageal stricture treated? Does immunity to other coronaviruses confer immunity to Covid-19? Can cats smell things that are poisonous? Why do athletes place their hands on their hips after exercise? And how do fingers help with heat control. Join Dr Chris Smith and Talk Radio 702 Azania Mossaka for all the answers... Like this podcast? Please help us by supporting the Naked Scientists

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