Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Iron weighs more after it rusts.
68
In zero gravity, a candle's flame is round and blue.
16
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
One cubic foot of gold weighs more than 1,200 pounds!
78
One third of the electricity produced on earth is used to power electric light bulbs!
75
For every gallon of sea water, you get more than a quarter pound of salt.
45