One barrel of petroleum holds 42 gallons.
20
One 75-watt bulb gives more light than three 25-watt bulbs.
57
One cubic foot of gold weighs more than 1,200 pounds!
78
No matter how cold it gets, gasoline will not freeze.
107
Nearly 50% of the world's scientists are assigned to military projects.
71
Most dust particles in your house are made from dead skin!
67
Pumice is the only rock that floats on water.
14