Creating Arteries and Mending Bones

Meera Senthilingam

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!