One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Each day, up to 150 species of life become extinct.
-23
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
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
Iron weighs more after it rusts.
16
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18