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Episode Clips

At the Kawah Ijen

At the Kawah Ijen volcano in Indonesia, bright yellow elemental sulphur is mined.

Diving Through a Halocline

In the Dominican Republic a team of divers explore an underground cave system.

More Episodes


Understand how Earth’s colors are created and what they mean.


Learn how we experience the consequences of natural forces that keep Earth on the move.


Knowing why shapes exist in nature helps us to understand forces that bind the universe.

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