Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
The sun is 330,330 times larger than the earth.
75