NovaTreasures of the Earth: Metals
Directed by Terri RandallTV-PG
S44 • E6 9 nov 2016 55min8.08.0
Gold, bronze, iron, steel... metals are pillars of our civilization, but what makes them so special? Discover their unique properties and explore how our mastery of metals has led us from the stone age to today's hi-tech world.
