Most dust particles in your house come from dead skin.
48
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
Pumice is the only rock that floats on water.
14
Nylon is made from coal and petroleum.
42
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
A cubic yard of air weighs about 2 pounds at sea level.
31
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61