When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
The storage capacity of human brain exceeds 4 Terrabytes.
140
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 force of a suction cup is calculated using F=AP.
15
The smell of freshly cut grass is actually a plant distress call.
31
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18