At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
For every gallon of sea water, you get more than a quarter pound of salt.
45
The average home creates more pollution than does the average car.
33
Nearly 50% of the world's scientists are assigned to military projects.
71
No matter how cold it gets, gasoline will not freeze.
107
Research indicates that plants grow healthier when they are stroked.
173
Aluminum used to be more valuable than gold!
84
Pumice is the only rock that floats on water.
14