Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55