Pumice is the only rock that floats on water.
14
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Sound travels fifteen times faster through steel than through air.
134
4.5 pounds of sunlight strike the Earth each day.
27
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
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
One cubic foot of gold weighs more than 1,200 pounds!
78