One 75-watt bulb gives more light than three 25-watt bulbs.
57
One barrel of petroleum holds 42 gallons.
20
No matter how cold it gets, gasoline will not freeze.
107
Pumice is the only rock that floats on water.
14
German chemists made a replica of a trophy the size of one molecule.
68
One cubic foot of gold weighs more than 1,200 pounds!
78
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114