Coloured Bruises, Colliding Bullets and Collapsing Bridges

25 January 2008
Presented by Chris Smith, Dave Ansell.

This week on Ask the Naked Scientists we find out why a beating turns us blue, what would happen in a fight between bullets and how hanging from the air is considered safe in the form of a suspension bridge. We also find out about an environmentally-friendly method of cremation, whether it's possible for humans to survive on mars and what the term horse-power actually means. All that and even more of your questions answered on this weeks podcast

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