Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Scientists aren't sure what color dinosaurs were.
312
Billions of neutrinos pass unnoticed through your body every second.
6
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7