Nylon is made from coal and petroleum.
42
One ragweed plant can release as many as one billion grains of pollen!
51
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Nearly 50% of the world's scientists are assigned to military projects.
71
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55