Scientists in Germany have developed a candy that doesn't cause cavities.
11
If the chemical sodium is dropped into water it will immediately and violently explode.
67
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Pumice is the only rock that floats on water.
14
4.5 pounds of sunlight strike the Earth each day.
27
One barrel of petroleum holds 42 gallons.
20
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65