Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
For every gallon of sea water, you get more than a quarter pound of salt.
45
Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
1
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Research indicates that plants grow healthier when they are stroked.
173
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
Brass doorknobs automatically disinfect themselves in about 8 hours.
18