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Is there a Black Hole at the Centre of our Galaxy?

What's happening at the centre of our galaxy; monitoring nuclear tests; synthesising the red tides of the Bible; Chinese dinosaur eggs and embryos; survival manual for the information superhighway.

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29 minutes

BBC World Service Archive

BBC World Service Archive

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

Gravitational Waves

Gravitational Waves

Gravity and ripples in the fabric of space time - what do these mean for us?

Podcast