

Treasures of the Earth
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Episodes
S1 E1 - Gems
November 1, 201653minGemstones like diamonds, rubies, opal and jade are, for many, the ultimate treasures. Discover how these precious stones are forged deep within the earth, learn the secrets of their sparkle, and see how they may also reveal answers to some of the biggest questions in the field of geology.Free trial of PBS Documentaries or buyS1 E2 - Metals
November 8, 201653minDiscover how the unique properties of metals have made them a pillar of human civilization.Free trial of PBS Documentaries or buyS1 E3 - Power
November 15, 201653minDrill down to discover how Earth’s natural treasures provide bountiful energy to power our modern world yet are also driving us to seek new, cleaner alternatives that can help us keep the lights on.Free trial of PBS Documentaries or buy
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