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Astronomers hail the Quark Star

The discovery of super-dense quark stars

Astronomers excited by the discovery of super-dense quark stars made of the same nuclear matter that is in individual atoms. Report on St John's wort anti-depressant remedy stirs up controversy about the value and risks of herbal remedies. How can classical music hurt your ears? The huge underwater landslide that caused a tsunami that killed more than 2000 people in 1998. What is at the centre of the Earth?

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24 minutes

Βι¶ΉΤΌΕΔ World Service Archive

This programme was restored as part of the World Service archive project

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