What's inside your nappy?
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Do stars form outside galaxies? What causes ringing in the ears? How fast does force propagate? Why do spectacles still work when worn backwards? Is the expanding universe tearing galaxies apart? And is any new water being created on Earth? Plus, news of the new satellite surveying the moon, the scientific way to sound out a Stradivarius and how a vaccine based on chimp viruses can protect against Hepatitis C. Plus, in kitchen science, Dave unpacks the contents of a nappy...
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Dear Naked Scientists,
My 7 year old daughter asked me this evening, why we don't see rainbows underneath street lights when it is raining?
I suggested it was a combination of the wrong angle and the lights not being bright enough. She wasn't convinced by my answer and insi...
If you had a really long tube and filled it with rigid balls and then put another one in the end, would a ball come out the other end instantly or would there be a speed of light delay?
A pair of new American spacecraft entered orbit about the Moon over the new year period, with the aim of measuring the Moon's gravitation field in unprecedented detail...
Hello Naked Scientists!
Thanks for an excellent show. I was wondering, if eye glasses use curved glass to bed light entering the eye to correct vision, then how is it that glasses still work if you hold them backwards (ear pieces out from the face)? Shouldn't this reverse curv...
Hello there,
A question that I would love answered is this:
The Universe is expanding and accelerating in it's expansion. Galaxies and other cosmic objects are moving away from each other. Why then are the individual galaxies not being torn apart by this expansion?
Why...
What is the oldest known planet in our universe and how would we know that?
I've got a pram and the hood and the apron of the pram are green. But when I run the pram underneath one of the original sodium streetlights the hood and the apron turn white! Why?
A fuel cell has been developed which can run off the sugars in an insect....
The reputation of the famous Stradivarius and Guaneri names on violins has been dented by a new study showing that, in a blind test, musical professionals cannot tell the renowed instruments from modern counterparts.
Morning Chris!
I am wondering if you can help me out regarding ringing in the ears?
I have had all of a sudden this ringing in my ears for the last few months. I am 63 years old and it is driving me mad! Would you know what the cause is? Is there an under lying problem, ...
Is it possible that in intergalactic space a star can form from a cloud of gas that's just outside a galaxy or can a star actually be ejected from a galaxy and establish itself in intergalactic space?
Why do we see green flashes during sunsets out at sea?
Is any new water being formed on our planet?
What's the difference between MRI and fMRI?
Free-runing, or parkour, is helping scientists understand how orang-utans move across a forest canopy...
Would a siphon in free fall be the same as the siphon is zero gravity? Is it a good measure?”
How does a cuckoo know it’s a cuckoo since it’s reared by other species?
Over 170 million people are infected with Hepatitis C worldwide and at the moment there is no effective vaccine. But now scientists may have found a way to protect people – by adding parts of the hepatitis C virus to a harmless virus that normally infects chimpanzees...
Silkworms producing spider silk, new species discovered at hydrothermal vents in Antarctica, a gene providing new insight to deafness and the science behind bulking up this new year...
Could a lead barrier protect us from the solar wind?
When looking in a mirror why does left become right not top become bottom?
Hello,
I'd like to say thank you for your show. I enjoy it thoroughly.
I have a question most of my friends laugh at.
I heard a while back that you are more likely to get sunburn if you are wearing sunglasses. I have put the theory to the test and it has worked for me....
A new method of determining the structure of a crystal has been developed which can measure the structure even though it causes the samples to explode...
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