Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Aluminum used to be more valuable than gold!
84
Sound travels fifteen times faster through steel than through air.
134
A cubic yard of air weighs about 2 pounds at sea level.
31
Sound travels about 4 times faster in water than in air.
408
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Scientists aren't sure what color dinosaurs were.
312