One cubic foot of gold weighs more than 1,200 pounds!
78
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
For every gallon of sea water, you get more than a quarter pound of salt.
45
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Out of all the senses, smell is most closely linked to memory.
146
Iron weighs more after it rusts.
68
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Research indicates that plants grow healthier when they are stroked.
173