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Science
THE MATERIAL WORLD
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Thursday 16:30-17:00
Quentin Cooper reports on developments across the sciences. Each week scientists describe their work, conveying the excitement they feel for their research projects.
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LISTEN AGAINListen 30 min
Listen to 11 January
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QUENTIN COOPER
Quentin Cooper
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Thursday 11 January 2007

Question & Answer Special

Listener becomes questioner in this week's Material World.

Over the last few weeks we've been asking you to send in your science questions to be answered by our panel of experts.

Quentin Cooper is joined by Sandy Knapp, botanist at the Natural History Museum in London, David Viner, climate change researcher from the University of East Anglia and Gerry Gilmore, astronomer from the University of Cambridge to find out why we sleep, how we know the universe is expanding, what happened to acid rain and how hard, exactly is rocket science.
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