Creating Arteries and Mending Bones

02 April 2010
Presented by Meera Senthilingam.

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This week we solve the mystery of how our arteries form and find out about a new powder from pigs in South Africa that could help mend our broken bones. We also bring you the latest news including a new way to de-salinise sea water and we reveal how dams are changing weather patterns worldwide. Plus, we investigate the consequences of a human bite in Question of the week!

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