No matter how cold it gets, gasoline will not freeze.
107
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
German chemists made a replica of a trophy the size of one molecule.
68
Sound travels about 4 times faster in water than in air.
408
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
