Indoor pollution is 10 times more toxic than outdoor pollution.
62
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
The force of a suction cup is calculated using F=AP.
15
Sound travels fifteen times faster through steel than through air.
134
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
One cubic foot of gold weighs more than 1,200 pounds!
78
Your brain is 80% water.
525
One barrel of petroleum holds 42 gallons.
20