The average temperature at 40,000 feet above sea level is -60 F.
56
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
4.5 pounds of sunlight strike the Earth each day.
27
Iron weighs more after it rusts.
16
Nylon is made from coal and petroleum.
42
Out of all the senses, smell is most closely linked to memory.
146
One ragweed plant can release as many as one billion grains of pollen!
51
The average home creates more pollution than does the average car.
33