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22nd Jun 2008

Q&A Show - Your Questions Stripped Down

(c) Dave Ansell
Dave Ansell

Chris Smith
Burning questions

Mirrors, Magnets and Meteorites make an appearance in this week's Naked Scientists Question and Answer Show.  We find out how the immune system could be convinced to fight skin cancer, how future MRI scans could be in colour, and why easy-clean computer keyboards could help keep MRSA out of hospitals.  We answer your questions about inhaling helium, wind turbines, bacteria and the molecular basis of mirrors.  Plus, in Kitchen Science Dave sets us the Balloon Kebab Challenge!

Transcript
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News

(c) Skin Cancer Foundation

Melanoma skinned alive

US doctors have successfully beaten a man's melanoma (skin cancer) into remission using only his own immune cells.Cassian Yee and his colleagues at the Fred Hutchinson Cancer Research Centre in Seattle collected CD4 T lymphocytes, a form of white blood cell, from a 52 year old man who had developed ...

(c) H. Raab

Building blocks for life found in meteorite

How life began on earth is one of the biggest questions for science, one theory that has been around for 50-60 years is that space has given us a helping hand, some scientists such as Fred Hoyle going as far as to say that life got to earth from space. Both DNA and RNA which are the basis of the re...

(c) G. Zabow, NIST/NIH

Superior scans: technicolour comes to MRI

Scientists have developed a way to introduce colour into body scans, potentially ushering in a powerful new method to detect disease.Writing in this week's Nature, Maryland-based NIH researcher Gary Zabow and his colleagues describe how they have developed a family of tiny tracer particles that emit...

(c) Jens Buurgaard Nielsen

Greenland ice gives us the best view of the climate so far

The climate is a complicated system which can take a long time to react to new inputs and we are all dependent on its vagueries so we can't really do experiments on it in order to understand how it works, and to fine tune our models of how it will behave in the future. This means the only way we ca...


Interviews

(c) Mac @ Wikipedia

Cleaner Keyboards Prevent MRSA

Do you ever eat at your desk at work? It may worry you that your computer keyboard is a hotbed of bacteria, but even more worrying is the fact that keyboards in hospital wards also house bacteria. Dr Peter Wilson is from University College London Hospital, and he’s taken steps to ensure that the k...

(c) Benji2 @ wikipedia

Technology Update - Hyper-Local News

Meera met our regular tech correspondent, Chris Vallance, to discover hyper-local news – the newest online development where you can find out the latest news about specific roads or postcodes, and build a modified map to show anything from the nearest schools to the nearest massage parlours!...


Kitchen Science

(c) Dave Ansell
Part 1 Part 2 Listen
...or download as MP3 [1] [2]

Balloon Kebab

Put a skewer straight through a balloon to form a kebab without having to hold your ears!


QotW

(c) Postdlf @ Wikimedia

Can lightning re-start your heart?

As lightning can strike in the same place twice if you get struck by lightning and it stops your heart and then you get struck by it again would it restart you heart?


Questions

What’s happening at a molecular level when a mirror is reflecting light?


Why would it take so long for light to leave the Sun?


Where do the roots on baby teeth go?


Is there a gas that can do the opposite of helium to the voice?


How do bacteria know where they are in your body?


Why do wind turbines only have three blades?


What effect would a very strong magnet have, placed behind a mirror?


Could brain controlled artificial limbs benefit cerebal palsy sufferers?


How do atoms make colours?


How does a Solar Radiometer work?


How high could a helium balloon go?






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