Your brain is 80% water.
525
Sound travels fifteen times faster through steel than through air.
134
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
The average home creates more pollution than does the average car.
33
According to studies, men change their minds two to three times more often than women.
72
The earth is approx. 6,588,000,000,000,000,000 tons.
175
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57