A New Material World

This week, Chris Smith and Izzie Clarke are taking you to the cutting edge of materials science including how blacksmiths made incredibly tough swords to how defence scientists make bullet-proof armour today. Plus, news of a better way to manage prostate cancer, how fingerprints might replace chip n pin, and how scientists are using cold lightning to keep fruit fresh for longer.For more podcasts by The Naked Scientists, head to nakedscientists.com, find @NakedScientists on Facebook, Twitter and Instagram and subscribe to "The Naked Scientists" on your favourite podcast app.**Edinburgh Science... Like this podcast? Please help us by supporting the Naked Scientists