Naked Scientists Podcast

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Science Questions and Answers
4 Jul 2009
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14th Sep 2008

Your Questions and the BA Science Festival


Dave Ansell

Kat Arney

Chris Smith

There's a bulging mailbag of science questions for the Naked Scientists this week, as we find out why we stop smelling smells, whether we can use viruses to kill cancer and why crisp and sweet packets make so much noise?  Also, how unmanned spy-planes can speed up medical diagnoses in rural countries, how Internet anti-spam technology is helping to interpret ancient manuscripts, and the first water bears in orbit - how tardigrades survived a trip into space, without a suit! Plus, in Kitchen Science, Dave shows you how to impale a potato using only a drinking straw!

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News

Robotic Carrier Pigeons

As rural areas especially in developing countries are very spread out and often have an awful transport infrastructure clinics can be many hours if not days away from the nearest hospital with a lab able to do tests.  This means that any treatment that depends on the results could be delayed by...

CAPTCHA-ing old texts

Anyone who’s a regular web user will be familiar with CAPTCHA’s – the little box of oddly shaped letters that you have to type out in order to access certain web pages.  CAPTCHA stands for Completely Automated Public Turing test to tell Computers and Humans Apart, and it’s a highly effective se...

Bugs in space

A handful of common tiny soil-dwelling animals from Earth have successfully gone where previously only bacteria and lichens have been before by surviving a trip into low Earth orbit where they were exposed to the void of space. Known as tardigrades these animals are known to be very robust and can...

The convoluted family tree of a Lager

Scientists at Yale university have been studying the family tree of the yeasts which are used to brew Lagers.  To do this they have been studying the DNA of the yeasts used to make both modern beers, and that preserved in yeasts up to 130 years old. They discovered that there are two major fam...

Med diet prevents major disease

Back in July, Greek researchers working as part of EPIC, the largest study of diet and cancer ever undertaken, showed that the more Mediterranean a person’s diet is, the lower the risk of cancer. That’s a diet that contains lots of fruit, veg, grains, nuts and fish, along with a splash of olive oil,...


Interviews

Preparing the Heart for Attack

In some cases, the human heart can be 'pre-conditioned', and as such can withstand the damage of a heart attack. Now, researchers have found a way to re-create pre-conditioning, and possibly save lives...

The BA Festival and The Culture of Science

This year's BA festival was held in Liverpool - the European City of Culture. Lord Robert Winston explains why a culture of science


QotW

Are glow-in-the-dark watches a radiation hazard?

Are Glow-in-the-Dark watches a radiation hazard? Should you store your best timepiece in a lead lined box?


Questions

Why is it that some smells disappear with continued smelling?


How does a Newton’s Cradle work?


A drop of water contains one molecule per litre of water on Earth!


Does Sunblock stop vitamin D production?


Why are ripples circular, even if the stone that causes them isn't?


Why do they only part-pressurise planes?


How do you age a palm tree because they don’t have rings?


Why do crisp packets and sweet wrappers make so much noise?


Can the liver re-grow?


Could viruses be engineered to attack cancer cells selectively?


How quickly can a person exsanguinate from a cut artery?


If light has no mass, how can a black hole capture it?


What makes our hair turn grey?



Kitchen Science

Part 1 Part 2 Listen
...or download as MP3 [1] [2]

Impaling Potatoes

If you have ever wondered how to impale a potato with a straw? Then this experiment is for you...


Who left the webcam plugged in and turned on?...
- paul.fr - 15th Sep 08

Explain...??!...
- chris - 18th Sep 08



For three days after the show aired the webcam was still live and visable from the main / index forum page....
- paul.fr - 21st Sep 08
Whole Thread | Post Reply



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