Crab Shell Bandages

27 August 2010
Presented by Ben Valsler.

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We find out how an extract from crab shells could make low cost, antibacterial bandages in this week's programme, as well as explore our oceans. We'll investigate the impact of oil spills on shorelines and wetlands, and find out how climate change is altering Antarctica. Plus, in Question of the Week, Diana O'Carroll finds out why we struggle to remember our dreams...

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