Cassava is the third largest source of carbohydrates for human food in the world Read more
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Cassava
Cassava is the third largest source of carbohydrates for human food in the world
Concrete
Concrete is the most widely used construction material in the world
Beer
An examination of the process of beer-making
Silk
Looking at how silk was discovered
Bronze
The origins and uses of bronze
Soap
The process of producing soap
Cotton
The origins and uses of cotton
Paper
An examination of the process of making paper
