Hot water can freeze faster than cold water.
181
No matter how cold it gets, gasoline will not freeze.
107
Sound travels fifteen times faster through steel than through air.
134
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
According to studies, men change their minds two to three times more often than women.
72