Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
One barrel of petroleum holds 42 gallons.
20
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
No matter how cold it gets, gasoline will not freeze.
107
Sound travels fifteen times faster through steel than through air.
134
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
