Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
51
Sound travels fifteen times faster through steel than through air.
134
Iron weighs more after it rusts.
68
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
One third of the electricity produced on earth is used to power electric light bulbs!
75
Hot water can freeze faster than cold water.
181
Pumice is the only rock that floats on water.
14