A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Nearly 50% of the world's scientists are assigned to military projects.
71
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
The only letter not appearing on the Periodic Table is the letter "J".
180
The average home creates more pollution than does the average car.
33
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51