A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Billions of neutrinos pass unnoticed through your body every second.
6
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
One barrel of petroleum holds 42 gallons.
20
One cubic foot of gold weighs more than 1,200 pounds!
78