Aluminum used to be more valuable than gold!
84
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Nylon is made from coal and petroleum.
42
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Iron weighs more after it rusts.
68
In zero gravity, a candle's flame is round and blue.
16
Cold water weighs more than hot water.
93