Iron weighs more after it rusts.
68
According to studies, men change their minds two to three times more often than women.
72
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
For every gallon of sea water, you get more than a quarter pound of salt.
45
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Your brain is 80% water.
525