Aluminum used to be more valuable than gold!
84
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
The bark of an older redwood tree is fireproof.
65
Pumice is the only rock that floats on water.
14
The storage capacity of human brain exceeds 4 Terrabytes.
140
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Hot water can freeze faster than cold water.
181
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39