The average temperature at 40,000 feet above sea level is -60 F.
56
Each day, up to 150 species of life become extinct.
-23
Aluminum used to be more valuable than gold!
84
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Iron weighs more after it rusts.
16
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Scientists are now able to grow 'beating' heart tissue in a lab!
162