Sound travels fifteen times faster through steel than through air.
134
Indoor pollution is 10 times more toxic than outdoor pollution.
62
The earth is approx. 6,588,000,000,000,000,000 tons.
175
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
The bark of an older redwood tree is fireproof.
65
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
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118