Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Sound travels fifteen times faster through steel than through air.
134
For every gallon of sea water, you get more than a quarter pound of salt.
45
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Pumice is the only rock that floats on water.
14