Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Research indicates that plants grow healthier when they are stroked.
173
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
Pure water (H2O) does not conduct electricity on its own.
46
No matter how cold it gets, gasoline will not freeze.
107
Balsa wood is classified as a hard wood!
41
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
