The origins and uses of the materials we use
World Service,路10 episodes
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
