Sound travels fifteen times faster through steel than through air.
134
The average home creates more pollution than does the average car.
33
Cold water weighs more than hot water.
93
Pumice is the only rock that floats on water.
14
Aluminum used to be more valuable than gold!
84
All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
51
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79