Iron weighs more after it rusts.
16
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
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
The earth is approx. 6,588,000,000,000,000,000 tons.
175
The force of a suction cup is calculated using F=AP.
15
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
According to studies, men change their minds two to three times more often than women.
72