A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Most dust particles in your house are made from dead skin!
67
4.5 pounds of sunlight strike the Earth each day.
27
Aluminum used to be more valuable than gold!
84
A ball of glass will bounce higher than a ball made of rubber.
73
For every gallon of sea water, you get more than a quarter pound of salt.
45
Nylon is made from coal and petroleum.
42
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3