The average temperature at 40,000 feet above sea level is -60 F.
56
Diamonds can be shattered with a hammer.
-104
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
The only letter not appearing on the Periodic Table is the letter "J".
180
Each day, up to 150 species of life become extinct.
-23
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Cold water weighs more than hot water.
93