Iron weighs more after it rusts.
16
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
German chemists made a replica of a trophy the size of one molecule.
68