Iron weighs more after it rusts.
68
No matter how cold it gets, gasoline will not freeze.
107
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
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
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
According to studies, men change their minds two to three times more often than women.
72