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Rubber trees ooze with a white sap that is the main ingredient for the wheels on your car

So how do we go from a little green seed to a lovely cup of coffee?

Cassava is the third largest source of carbohydrates for human food in the world

Concrete is the most widely used construction material in the world

An examination of the process of beer-making

Looking at how silk was discovered

The origins and uses of bronze

The process of producing soap

The origins and uses of cotton

An examination of the process of making paper