Sound travels fifteen times faster through steel than through air.
134
According to studies, men change their minds two to three times more often than women.
72
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Aluminum used to be more valuable than gold!
84
Iron weighs more after it rusts.
68
Pumice is the only rock that floats on water.
14