The origins and uses of the materials we use
World Service,·10 episodes
Rubber trees ooze with a white sap that is the main ingredient for the wheels on your car
31 Mar 1999,·13 mins
So how do we go from a little green seed to a lovely cup of coffee?
06 Apr 1999,·13 mins
Cassava is the third largest source of carbohydrates for human food in the world
22 Apr 1999,·13 mins
Concrete is the most widely used construction material in the world
30 Apr 1999,·13 mins
An examination of the process of beer-making
01 May 1999,·13 mins
Looking at how silk was discovered
13 May 1999,·13 mins
The origins and uses of bronze
20 May 1999,·13 mins
The process of producing soap
24 May 1999,·13 mins
The origins and uses of cotton
28 May 1999,·13 mins
An examination of the process of making paper
10 Jun 1999,·13 mins
