2006 Series

The Naked Scientists: Science Radio & Science Podcasts

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22nd Jan 2006

Geology of Natural Disasters, Volcanoes and Earthquakes


Chris Smith

Kat Arney

This week we shake up the world of science as Dr Janet Sumner from The Open University describes the dynamics of volcanic eruptions and the structure of the Earth, Dr Tamsin Mather from Cambridge University talks about how the gases from volcanoes affect our atmosphere and environment, Dr Tiziana Rossetto discusses earthquakes, tsunamis and her recent visit to Pakistan, and Professor Herbert Huppert joins Derek in the kitchen to perform an explosive experiment.

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News

 

Why Chocolate Is Good For You

Good news for all chocoholics out there - scientists have found yet more evidence that that our favourite foodstuff is a healthy one too. Chemicals called flavanols are found in foods like red wine, tea and chocolate, and have previously been linked to a healt...


Questions

 

I've been told that Santa Barbara is the third most dangerous place to live in the United States because it at great risk of being struck by a tsunami. I've been told that we're at great risk because there's fault line between the coastline and the Channel Islands west of the Pacific Ocean. Is this true?


 

We've been removing gas and oil through the surface of the Earth for hundreds of years. Would this have any effect on the stability of the Earth, and would it maybe even effect the speed at which we spin through space?


 

I think I'm right in saying that diamonds are produced by some volcanoes. Why?


 

How does the Richter Scale work?


 

Why are there two or three waves in a tsunami instead of one?



Kitchen Science

 

Lemonade Volcano

You may have heard about the Mentos and Coke experiment, find out how to make an erruption with a drinks bottle, and what it has to do with volcanoes.



Fact or Fiction

The Moh scale is an old farmers measurement for the height at which a crop should be cut
TrueTrue
The nearest star to earth is 62 Cygni
TrueTrue
A person with anaemia has too few red blood cells
TrueTrue
Vulcanisation is the process by which rubber is turned into car tyres
TrueTrue
The Hubble Space Telescope was launched in 1992
TrueTrue
The Scoville scale is a measure the hotness of chilli
TrueTrue



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