Iron weighs more after it rusts.
16
The force of a suction cup is calculated using F=AP.
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
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Most dust particles in your house come from dead skin.
48
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
Pure water (H2O) does not conduct electricity on its own.
46