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Ask the Naked Scientists

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Ask the Naked Scientists · 788 episoder · Side 8 af 27

Allergic to just one part of an animal?
14. aug. 2021 26m

Can you be allergic to one part of an animal but not another? What's the point of dreaming? What happened before the Big Bang? What's in wine that cau...

Does digital data weigh anything?
6. aug. 2021 24m

How do African animals withstand extreme cold in the Kalahari? Does the data we're all generating and storing weigh anything? How does relativity rela...

Are we at peak human Olympic performance?
24. jul. 2021 23m

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 utensi...

Why does squinting sharpen vision?
17. jul. 2021 25m

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 devel...

Electric eels to power the national grid?
28. jun. 2021 17m

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 w...

What happened to the Wankel Rotary Engine?
18. jun. 2021 28m

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...

Why don't tennis players get one massive arm?
16. jun. 2021 26m

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 mo...

How do bees make honey?
7. jun. 2021 20m

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 dogs detect Covid-19?
28. maj 2021 19m

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 ...

Why sugared cucumber might taste like melon
21. maj 2021 23m

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 dur...

Why won't water burn?
8. maj 2021 16m

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 readil...

Why don't animals have green fur?
30. apr. 2021 20m

This week, why it's more comfortable to look at the Sun on the horizon compared with when it's directly overhead, why dogs pee on upright objects, whe...

Low platelets, but blood clots. Why?
19. apr. 2021 19m

If the AZ vaccine causes blood clots, why do affected individuals have low platelets, which should make clotting less likely? Also, when the Earth wob...

Why halt the Johnson and Johnson Vaccine?
16. apr. 2021 27m

Chris Smith and Kieno Kammies discuss the latest on blood clots and Covid-19 vaccines, including the US and South Africa decisions to halt use of the ...

Flu and Covid-19 vaccines together?
14. apr. 2021 26m

Should I get vaccinated despite previous Covid-19 infection? Can I get a combined flu and Covid-19 shot? Why can't my pharmacist give me a Covid jab i...

Why do masks stop Covid-19 but not smells?
26. mar. 2021 22m

The people that don't believe Covid-19 is real, how ants smell out sources of food, how soda water makes you burp, a way to banish ants, what would yo...

If I've had Covid-19, do I need a vaccine?
22. mar. 2021 21m

Why are the EU posturing around AstraZeneca's Covid-19 vaccine, and what will be the consequences? And if you've already caught coronavirus, should yo...

Do catwalk models have more neck bones?
12. mar. 2021 23m

Why is the Moon moving away from the Earth, and what would have been the consequence of it being closer to us millions of years ago? Also, why does Co...

Will not having sex harm my health?
8. mar. 2021 23m

Why do we fall asleep when we don't want to? Will going without sex harm your health? Why do aircraft resort to black boxes when they could send data ...

Why haven't we evolved not to age?
27. feb. 2021 26m

Good news on the Covid-19 vaccine front from the UK, why South Africa isn't using AstraZeneca's vaccine, is the Universe under threat from "strangelet...

Why does Covid come in waves?
15. feb. 2021 19m

Will loud music deafen my dog? Why are some dog breeds more docile than others? Why do Covid-19 outbreaks follow cycles of boom and bust? What gives a...

Can teeth fillings tune in to radio waves?
5. feb. 2021 22m

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 te...

Are the Covid-19 vaccines safe?
26. jan. 2021 21m

This week, Dr Chris and Kieno Kammies talk Covid-19 vaccinations, explore whether ivermectin might be a helpful coronavirus drug, explain how maggots ...

Am I a snake: my yawns spray saliva!
22. jan. 2021 20m

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 leve...

Can you swallow upside down?
18. jan. 2021 20m

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...

Why do you float on the Dead Sea?
11. jan. 2021 27m

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 cau...

Why car indicators flash at different rates
18. dec. 2020 15m

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 c...

Why is it dark in space?
8. dec. 2020 24m

An update on the Pfizer vaccine for Covid-19, the lotto likelihood of sequential winning numbers, why swallows congregate around motorway bridges, the...

Why shave sheep in winter?
4. dec. 2020 24m

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 o...

Can we taste through our fingers?
27. nov. 2020 21m

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 at...