Science Questions and Answers
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We're open to your questions on the Naked Scientists this week, finding out how photosynthesis works underwater, exploring the sex lives of barnacles and discussing if rockets punch holes in the ozone layer. Plus, a viral cause of hypertension, how bees stick to petals like velcro, and a new, super-dense deuterium - 130,000 times denser than water! We hear about the new generation of eBook readers, and in Kitchen Science Dave vacuums his bathroom scales to weigh the air!
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It's estimated that 80% of people with hepatitis C aren't aware they have it. World Heptatitis Day is aimed at raising awareness of the problem.
Find out how hard a vacuum cleaner can suck, what this has got to do with air pressure and discover how this helps us suck.
Why are electric kettles so noisy?
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How do re-writable CDs and DVDs work? We know that when you burn a CD you are burning tiny pits into CDs and DVDs to make digital recordings of sounds and images but how can you then undo that so you can rewrite them hundreds of times?
Hi guys! My parents have been telling me I should wear socks all the time or I’ll get ill. So my question is does having moderately cold feet really increase your risk of catching a cold or the flu?
This month, Chris Vallance tells us about a new generation of eBook readers, and how authors are using social networking to interact with their readers...
How does evolution produce new genes?
How do barnacles mate with each other?
Could the Hubble space telescope see the footprints made by the Apollo astronauts on the moon’s surface?
Hello. I was watching a programme on television the other day about bees and how they do a wee dance to tell the other bees where the flowers are. I was talking about this with my friend the other night and about evolution. Neither of us could think of a way that the bee dance co...
Do rockets punch holes in the ozone layer?
How does photosynthesis work underwater?
Why store propane but not natural gas?
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