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THE MATERIAL WORLD
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Quentin Cooper reports on developments across the sciences. Each week scientists describe their work, conveying the excitement they feel for their research projects.
material.world@bbc.co.uk |
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| How the Ship may look after restoration, on a new kevlar, steel and glass canopy |
Restoring the Cutty Sark
Berthed in a dry dock at Greenwich, The Cutty Sark is in urgent need of restoration.
The Victorian tea clipper's timbers are rotting and its metal hull is badly corroded.
Professor Chris Bailey from Greenwich University is building a computer model, a kind of 3D virtual jigsaw puzzle, to decide the order timbers should be removed and replaced to prevent the ship from collapsing under its own restoration.
Dr Sheelagh Campbell from the University of Portsmouth is washing the hull under an electric current to coax damaging salts from the corroding metal hull.
Sue Nelson talks to Chris and Sheelagh to find out how science is helping this high profile restoration project.
Sleep and Dreams
What is sleep for? We can't live without it but how much do we really need? Are we as a nation sleep deprived?
Jim Horne, director of the Loughborough Sleep Research centre thinks not. But we are designed to sleep twice a day, should we all be having a daily fifteen minute siesta?
During Rapid Eye Movement sleep parts of the brain involved in emotion, imagination and higher thinking are all active. During REM sleep we also do most of our dreaming.
Could dreams be helping us to learn?
Sue Nelson talks to Dr Mark Blagrove from the University of Wales in Swansea who is testing actors learning their parts and people learning Welsh to see how their dreams effect their ability to learn.
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RELATED LINKS
The Cutty Sark
BBC News - Cutty Sark Restoration
BBC News - Cutty Sark Funding
The Royal Institution of Great Britain
Loughborough Sleep Research Centre
International Association for the Study of Dreams
BBC Science & Nature
The BBC is not responsible for the content of external websites
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